diff --git a/core/build.go b/core/build.go index 90e37af2..d8193159 100644 --- a/core/build.go +++ b/core/build.go @@ -8,7 +8,7 @@ import ( "github.com/dosco/graphjin/v2/core/internal/psql" "github.com/dosco/graphjin/v2/core/internal/qcode" - "github.com/go-playground/validator/v10" + "github.com/dosco/graphjin/v2/core/internal/valid" ) type queryComp struct { @@ -21,7 +21,7 @@ type stmt struct { role *Role qc *qcode.QCode md psql.Metadata - va *validator.Validate + va *valid.Validate sql string } @@ -127,7 +127,7 @@ func (gj *graphjin) compileQueryForRole( } } - st.va = validator.New() + st.va = valid.New() st.sql = w.String() return st, nil } diff --git a/core/core.go b/core/core.go index 5754eca0..1b352330 100644 --- a/core/core.go +++ b/core/core.go @@ -14,7 +14,6 @@ import ( "github.com/dosco/graphjin/v2/core/internal/psql" "github.com/dosco/graphjin/v2/core/internal/qcode" "github.com/dosco/graphjin/v2/core/internal/sdata" - "github.com/go-playground/validator/v10" "go.opentelemetry.io/otel/attribute" "go.opentelemetry.io/otel/codes" "go.opentelemetry.io/otel/trace" @@ -412,12 +411,10 @@ func (c *gcontext) validateAndUpdateVars(ctx context.Context, qcomp *queryComp, } if qc.Consts != nil { - errs := qcomp.st.va.ValidateMap(vars, qc.Consts) - + errs := qcomp.st.va.ValidateMap(ctx, vars, qc.Consts) if !c.gj.prod && len(errs) != 0 { for k, v := range errs { - v1 := v.(validator.ValidationErrors) - c.gj.log.Printf("Validation Failed: $%s: %s", k, v1.Error()) + c.gj.log.Printf("validation failed: $%s: %s", k, v.Error()) } } diff --git a/core/insert_test.go b/core/insert_test.go index 78811fce..bb223164 100644 --- a/core/insert_test.go +++ b/core/insert_test.go @@ -105,8 +105,8 @@ func Example_insertInlineWithValidation() { printJSON(res.Data) } // Unordered output: - // Validation Failed: $full_name: Key: '' Error:Field validation for '' failed on the 'required_if' tag - // Validation Failed: $email: Key: '' Error:Field validation for '' failed on the 'email' tag + // validation failed: $full_name: failed on 'required_if' + // validation failed: $email: failed on 'email' // validation failed } diff --git a/core/internal/valid/.gitignore b/core/internal/valid/.gitignore new file mode 100644 index 00000000..6e43fac0 --- /dev/null +++ b/core/internal/valid/.gitignore @@ -0,0 +1,30 @@ +# Compiled Object files, Static and Dynamic libs (Shared Objects) +*.o +*.a +*.so + +# Folders +_obj +_test +bin + +# Architecture specific extensions/prefixes +*.[568vq] +[568vq].out + +*.cgo1.go +*.cgo2.c +_cgo_defun.c +_cgo_gotypes.go +_cgo_export.* + +_testmain.go + +*.exe +*.test +*.prof +*.test +*.out +*.txt +cover.html +README.html diff --git a/core/internal/valid/LICENSE b/core/internal/valid/LICENSE new file mode 100644 index 00000000..6a2ae9aa --- /dev/null +++ b/core/internal/valid/LICENSE @@ -0,0 +1,22 @@ +The MIT License (MIT) + +Copyright (c) 2015 Dean Karn + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. + diff --git a/core/internal/valid/baked_in.go b/core/internal/valid/baked_in.go new file mode 100644 index 00000000..7102b22b --- /dev/null +++ b/core/internal/valid/baked_in.go @@ -0,0 +1,1206 @@ +package valid + +import ( + "context" + "encoding/json" + "fmt" + "net/url" + "reflect" + "strconv" + "strings" + "time" + "unicode/utf8" +) + +// Func accepts a FieldLevel interface for all validation needs. The return +// value should be true when validation succeeds. +type Func func(fl FieldLevel) bool + +// FuncCtx accepts a context.Context and FieldLevel interface for all +// validation needs. The return value should be true when validation succeeds. +type FuncCtx func(ctx context.Context, fl FieldLevel) bool + +// wrapFunc wraps noramal Func makes it compatible with FuncCtx +func wrapFunc(fn Func) FuncCtx { + if fn == nil { + return nil // be sure not to wrap a bad function. + } + return func(ctx context.Context, fl FieldLevel) bool { + return fn(fl) + } +} + +var ( + // bakedInValidators is the default map of ValidationFunc + // you can add, remove or even replace items to suite your needs, + // or even disregard and use your own map if so desired. + bakedInValidators = map[string]Func{ + "required": hasValue, + "required_if": requiredIf, + "required_unless": requiredUnless, + "required_with": requiredWith, + "required_with_all": requiredWithAll, + "required_without": requiredWithout, + "required_without_all": requiredWithoutAll, + "excluded_if": excludedIf, + "excluded_unless": excludedUnless, + "excluded_with": excludedWith, + "excluded_with_all": excludedWithAll, + "excluded_without": excludedWithout, + "excluded_without_all": excludedWithoutAll, + "isdefault": isDefault, + "len": hasLengthOf, + "min": hasMinOf, + "max": hasMaxOf, + "eq": isEq, + "ne": isNe, + "lt": isLt, + "lte": isLte, + "gt": isGt, + "gte": isGte, + "nefield": isNeField, + "gtefield": isGteField, + "gtfield": isGtField, + "ltefield": isLteField, + "ltfield": isLtField, + "fieldcontains": fieldContains, + "fieldexcludes": fieldExcludes, + "alpha": isAlpha, + "alphanum": isAlphanum, + "alphaunicode": isAlphaUnicode, + "alphanumunicode": isAlphanumUnicode, + "boolean": isBoolean, + "numeric": isNumeric, + "number": isNumber, + "email": isEmail, + "url": isURL, + "uri": isURI, + "contains": contains, + "containsany": containsAny, + "containsrune": containsRune, + "excludes": excludes, + "excludesall": excludesAll, + "excludesrune": excludesRune, + "startswith": startsWith, + "endswith": endsWith, + "startsnotwith": startsNotWith, + "endsnotwith": endsNotWith, + "uuid": isUUID, + "uuid3": isUUID3, + "uuid4": isUUID4, + "uuid5": isUUID5, + "uuid_rfc4122": isUUIDRFC4122, + "uuid3_rfc4122": isUUID3RFC4122, + "uuid4_rfc4122": isUUID4RFC4122, + "uuid5_rfc4122": isUUID5RFC4122, + "ulid": isULID, + "ascii": isASCII, + "printascii": isPrintableASCII, + "multibyte": hasMultiByteCharacter, + "oneof": isOneOf, + "url_encoded": isURLEncoded, + "json": isJSON, + "lowercase": isLowercase, + "uppercase": isUppercase, + "datetime": isDatetime, + "timezone": isTimeZone, + } +) + +var ( + oneofValsCache = map[string][]string{} +) + +func parseOneOfParam2(s string) []string { + vals, ok := oneofValsCache[s] + if !ok { + vals = splitParamsRegex.FindAllString(s, -1) + for i := 0; i < len(vals); i++ { + vals[i] = strings.Replace(vals[i], "'", "", -1) + } + oneofValsCache[s] = vals + } + return vals +} + +func isURLEncoded(fl FieldLevel) bool { + return uRLEncodedRegex.MatchString(fl.Field().String()) +} + +func isOneOf(fl FieldLevel) bool { + vals := parseOneOfParam2(fl.Param()) + + field := fl.Field() + + var v string + switch field.Kind() { + case reflect.String: + v = field.String() + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + v = strconv.FormatInt(field.Int(), 10) + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64: + v = strconv.FormatUint(field.Uint(), 10) + default: + panic(fmt.Sprintf("Bad field type %T", field.Interface())) + } + for i := 0; i < len(vals); i++ { + if vals[i] == v { + return true + } + } + return false +} + +// hasMultiByteCharacter is the validation function for validating if the field's value has a multi byte character. +func hasMultiByteCharacter(fl FieldLevel) bool { + field := fl.Field() + + if field.Len() == 0 { + return true + } + + return multibyteRegex.MatchString(field.String()) +} + +// isPrintableASCII is the validation function for validating if the field's value is a valid printable ASCII character. +func isPrintableASCII(fl FieldLevel) bool { + return printableASCIIRegex.MatchString(fl.Field().String()) +} + +// isASCII is the validation function for validating if the field's value is a valid ASCII character. +func isASCII(fl FieldLevel) bool { + return aSCIIRegex.MatchString(fl.Field().String()) +} + +// isUUID5 is the validation function for validating if the field's value is a valid v5 UUID. +func isUUID5(fl FieldLevel) bool { + return uUID5Regex.MatchString(fl.Field().String()) +} + +// isUUID4 is the validation function for validating if the field's value is a valid v4 UUID. +func isUUID4(fl FieldLevel) bool { + return uUID4Regex.MatchString(fl.Field().String()) +} + +// isUUID3 is the validation function for validating if the field's value is a valid v3 UUID. +func isUUID3(fl FieldLevel) bool { + return uUID3Regex.MatchString(fl.Field().String()) +} + +// isUUID is the validation function for validating if the field's value is a valid UUID of any version. +func isUUID(fl FieldLevel) bool { + return uUIDRegex.MatchString(fl.Field().String()) +} + +// isUUID5RFC4122 is the validation function for validating if the field's value is a valid RFC4122 v5 UUID. +func isUUID5RFC4122(fl FieldLevel) bool { + return uUID5RFC4122Regex.MatchString(fl.Field().String()) +} + +// isUUID4RFC4122 is the validation function for validating if the field's value is a valid RFC4122 v4 UUID. +func isUUID4RFC4122(fl FieldLevel) bool { + return uUID4RFC4122Regex.MatchString(fl.Field().String()) +} + +// isUUID3RFC4122 is the validation function for validating if the field's value is a valid RFC4122 v3 UUID. +func isUUID3RFC4122(fl FieldLevel) bool { + return uUID3RFC4122Regex.MatchString(fl.Field().String()) +} + +// isUUIDRFC4122 is the validation function for validating if the field's value is a valid RFC4122 UUID of any version. +func isUUIDRFC4122(fl FieldLevel) bool { + return uUIDRFC4122Regex.MatchString(fl.Field().String()) +} + +// isULID is the validation function for validating if the field's value is a valid ULID. +func isULID(fl FieldLevel) bool { + return uLIDRegex.MatchString(fl.Field().String()) +} + +// excludesRune is the validation function for validating that the field's value does not contain the rune specified within the param. +func excludesRune(fl FieldLevel) bool { + return !containsRune(fl) +} + +// excludesAll is the validation function for validating that the field's value does not contain any of the characters specified within the param. +func excludesAll(fl FieldLevel) bool { + return !containsAny(fl) +} + +// excludes is the validation function for validating that the field's value does not contain the text specified within the param. +func excludes(fl FieldLevel) bool { + return !contains(fl) +} + +// containsRune is the validation function for validating that the field's value contains the rune specified within the param. +func containsRune(fl FieldLevel) bool { + r, _ := utf8.DecodeRuneInString(fl.Param()) + + return strings.ContainsRune(fl.Field().String(), r) +} + +// containsAny is the validation function for validating that the field's value contains any of the characters specified within the param. +func containsAny(fl FieldLevel) bool { + return strings.ContainsAny(fl.Field().String(), fl.Param()) +} + +// contains is the validation function for validating that the field's value contains the text specified within the param. +func contains(fl FieldLevel) bool { + return strings.Contains(fl.Field().String(), fl.Param()) +} + +// startsWith is the validation function for validating that the field's value starts with the text specified within the param. +func startsWith(fl FieldLevel) bool { + return strings.HasPrefix(fl.Field().String(), fl.Param()) +} + +// endsWith is the validation function for validating that the field's value ends with the text specified within the param. +func endsWith(fl FieldLevel) bool { + return strings.HasSuffix(fl.Field().String(), fl.Param()) +} + +// startsNotWith is the validation function for validating that the field's value does not start with the text specified within the param. +func startsNotWith(fl FieldLevel) bool { + return !startsWith(fl) +} + +// endsNotWith is the validation function for validating that the field's value does not end with the text specified within the param. +func endsNotWith(fl FieldLevel) bool { + return !endsWith(fl) +} + +// fieldContains is the validation function for validating if the current field's value contains the field specified by the param's value. +func fieldContains(fl FieldLevel) bool { + field := fl.Field() + currentField, _, ok := fl.GetStructFieldOK() + if !ok { + return false + } + return strings.Contains(field.String(), currentField.String()) +} + +// fieldExcludes is the validation function for validating if the current field's value excludes the field specified by the param's value. +func fieldExcludes(fl FieldLevel) bool { + field := fl.Field() + currentField, _, ok := fl.GetStructFieldOK() + if !ok { + return true + } + return !strings.Contains(field.String(), currentField.String()) +} + +// isNeField is the validation function for validating if the current field's value is not equal to the field specified by the param's value. +func isNeField(fl FieldLevel) bool { + field := fl.Field() + kind := field.Kind() + + currentField, currentKind, ok := fl.GetStructFieldOK() + + if !ok || currentKind != kind { + return true + } + + switch kind { + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + return field.Int() != currentField.Int() + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + return field.Uint() != currentField.Uint() + + case reflect.Float32, reflect.Float64: + return field.Float() != currentField.Float() + + case reflect.Slice, reflect.Map, reflect.Array: + return int64(field.Len()) != int64(currentField.Len()) + + case reflect.Bool: + return field.Bool() != currentField.Bool() + + case reflect.Struct: + + fieldType := field.Type() + + if fieldType.ConvertibleTo(timeType) && currentField.Type().ConvertibleTo(timeType) { + + t := currentField.Interface().(time.Time) + fieldTime := field.Interface().(time.Time) + + return !fieldTime.Equal(t) + } + + // Not Same underlying type i.e. struct and time + if fieldType != currentField.Type() { + return true + } + } + + // default reflect.String: + return field.String() != currentField.String() +} + +// isNe is the validation function for validating that the field's value does not equal the provided param value. +func isNe(fl FieldLevel) bool { + return !isEq(fl) +} + +// isEq is the validation function for validating if the current field's value is equal to the param's value. +func isEq(fl FieldLevel) bool { + field := fl.Field() + param := fl.Param() + + switch field.Kind() { + + case reflect.String: + return field.String() == param + + case reflect.Slice, reflect.Map, reflect.Array: + p := asInt(param) + + return int64(field.Len()) == p + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + p := asIntFromType(field.Type(), param) + + return field.Int() == p + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + p := asUint(param) + + return field.Uint() == p + + case reflect.Float32, reflect.Float64: + p := asFloat(param) + + return field.Float() == p + + case reflect.Bool: + p := asBool(param) + + return field.Bool() == p + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isURI is the validation function for validating if the current field's value is a valid URI. +func isURI(fl FieldLevel) bool { + field := fl.Field() + + switch field.Kind() { + case reflect.String: + + s := field.String() + + // checks needed as of Go 1.6 because of change https://github.com/golang/go/commit/617c93ce740c3c3cc28cdd1a0d712be183d0b328#diff-6c2d018290e298803c0c9419d8739885L195 + // emulate browser and strip the '#' suffix prior to validation. see issue-#237 + if i := strings.Index(s, "#"); i > -1 { + s = s[:i] + } + + if len(s) == 0 { + return false + } + + _, err := url.ParseRequestURI(s) + + return err == nil + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isURL is the validation function for validating if the current field's value is a valid URL. +func isURL(fl FieldLevel) bool { + field := fl.Field() + + switch field.Kind() { + case reflect.String: + + var i int + s := field.String() + + // checks needed as of Go 1.6 because of change https://github.com/golang/go/commit/617c93ce740c3c3cc28cdd1a0d712be183d0b328#diff-6c2d018290e298803c0c9419d8739885L195 + // emulate browser and strip the '#' suffix prior to validation. see issue-#237 + if i = strings.Index(s, "#"); i > -1 { + s = s[:i] + } + + if len(s) == 0 { + return false + } + + url, err := url.ParseRequestURI(s) + + if err != nil || url.Scheme == "" { + return false + } + + return true + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isEmail is the validation function for validating if the current field's value is a valid email address. +func isEmail(fl FieldLevel) bool { + return emailRegex.MatchString(fl.Field().String()) +} + +// isNumber is the validation function for validating if the current field's value is a valid number. +func isNumber(fl FieldLevel) bool { + switch fl.Field().Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr, reflect.Float32, reflect.Float64: + return true + default: + return numberRegex.MatchString(fl.Field().String()) + } +} + +// isNumeric is the validation function for validating if the current field's value is a valid numeric value. +func isNumeric(fl FieldLevel) bool { + switch fl.Field().Kind() { + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64, reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr, reflect.Float32, reflect.Float64: + return true + default: + return numericRegex.MatchString(fl.Field().String()) + } +} + +// isAlphanum is the validation function for validating if the current field's value is a valid alphanumeric value. +func isAlphanum(fl FieldLevel) bool { + return alphaNumericRegex.MatchString(fl.Field().String()) +} + +// isAlpha is the validation function for validating if the current field's value is a valid alpha value. +func isAlpha(fl FieldLevel) bool { + return alphaRegex.MatchString(fl.Field().String()) +} + +// isAlphanumUnicode is the validation function for validating if the current field's value is a valid alphanumeric unicode value. +func isAlphanumUnicode(fl FieldLevel) bool { + return alphaUnicodeNumericRegex.MatchString(fl.Field().String()) +} + +// isAlphaUnicode is the validation function for validating if the current field's value is a valid alpha unicode value. +func isAlphaUnicode(fl FieldLevel) bool { + return alphaUnicodeRegex.MatchString(fl.Field().String()) +} + +// isBoolean is the validation function for validating if the current field's value is a valid boolean value or can be safely converted to a boolean value. +func isBoolean(fl FieldLevel) bool { + switch fl.Field().Kind() { + case reflect.Bool: + return true + default: + _, err := strconv.ParseBool(fl.Field().String()) + return err == nil + } +} + +// isDefault is the opposite of required aka hasValue +func isDefault(fl FieldLevel) bool { + return !hasValue(fl) +} + +// hasValue is the validation function for validating if the current field's value is not the default static value. +func hasValue(fl FieldLevel) bool { + field := fl.Field() + switch field.Kind() { + case reflect.Slice, reflect.Map, reflect.Ptr, reflect.Interface, reflect.Chan, reflect.Func: + return !field.IsNil() + default: + if fl.(*validate).fldIsPointer && field.Interface() != nil { + return true + } + return field.IsValid() && field.Interface() != reflect.Zero(field.Type()).Interface() + } +} + +// requireCheckField is a func for check field kind +func requireCheckFieldKind(fl FieldLevel, param string, defaultNotFoundValue bool) bool { + field := fl.Field() + kind := field.Kind() + var nullable, found bool + if len(param) > 0 { + field, kind, nullable, found = fl.GetStructFieldOKAdvanced2(fl.Parent(), param) + if !found { + return defaultNotFoundValue + } + } + switch kind { + case reflect.Invalid: + return defaultNotFoundValue + case reflect.Slice, reflect.Map, reflect.Ptr, reflect.Interface, reflect.Chan, reflect.Func: + return field.IsNil() + default: + if nullable && field.Interface() != nil { + return false + } + return field.IsValid() && field.Interface() == reflect.Zero(field.Type()).Interface() + } +} + +// requireCheckFieldValue is a func for check field value +func requireCheckFieldValue(fl FieldLevel, param string, value string, defaultNotFoundValue bool) bool { + field, kind, _, found := fl.GetStructFieldOKAdvanced2(fl.Parent(), param) + if !found { + return defaultNotFoundValue + } + + switch kind { + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + return field.Int() == asInt(value) + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + return field.Uint() == asUint(value) + + case reflect.Float32, reflect.Float64: + return field.Float() == asFloat(value) + + case reflect.Slice, reflect.Map, reflect.Array: + return int64(field.Len()) == asInt(value) + + case reflect.Bool: + return field.Bool() == asBool(value) + } + + // default reflect.String: + return field.String() == value +} + +// requiredIf is the validation function +// The field under validation must be present and not empty only if all the other specified fields are equal to the value following with the specified field. +func requiredIf(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + if len(params)%2 != 0 { + panic(fmt.Sprintf("Bad param number for required_if %s", fl.FieldName())) + } + for i := 0; i < len(params); i += 2 { + if !requireCheckFieldValue(fl, params[i], params[i+1], false) { + return true + } + } + return hasValue(fl) +} + +// excludedIf is the validation function +// The field under validation must not be present or is empty only if all the other specified fields are equal to the value following with the specified field. +func excludedIf(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + if len(params)%2 != 0 { + panic(fmt.Sprintf("Bad param number for excluded_if %s", fl.FieldName())) + } + + for i := 0; i < len(params); i += 2 { + if !requireCheckFieldValue(fl, params[i], params[i+1], false) { + return false + } + } + return true +} + +// requiredUnless is the validation function +// The field under validation must be present and not empty only unless all the other specified fields are equal to the value following with the specified field. +func requiredUnless(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + if len(params)%2 != 0 { + panic(fmt.Sprintf("Bad param number for required_unless %s", fl.FieldName())) + } + + for i := 0; i < len(params); i += 2 { + if requireCheckFieldValue(fl, params[i], params[i+1], false) { + return true + } + } + return hasValue(fl) +} + +// excludedUnless is the validation function +// The field under validation must not be present or is empty unless all the other specified fields are equal to the value following with the specified field. +func excludedUnless(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + if len(params)%2 != 0 { + panic(fmt.Sprintf("Bad param number for excluded_unless %s", fl.FieldName())) + } + for i := 0; i < len(params); i += 2 { + if !requireCheckFieldValue(fl, params[i], params[i+1], false) { + return true + } + } + return !hasValue(fl) +} + +// excludedWith is the validation function +// The field under validation must not be present or is empty if any of the other specified fields are present. +func excludedWith(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + for _, param := range params { + if !requireCheckFieldKind(fl, param, true) { + return !hasValue(fl) + } + } + return true +} + +// requiredWith is the validation function +// The field under validation must be present and not empty only if any of the other specified fields are present. +func requiredWith(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + for _, param := range params { + if !requireCheckFieldKind(fl, param, true) { + return hasValue(fl) + } + } + return true +} + +// excludedWithAll is the validation function +// The field under validation must not be present or is empty if all of the other specified fields are present. +func excludedWithAll(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + for _, param := range params { + if requireCheckFieldKind(fl, param, true) { + return true + } + } + return !hasValue(fl) +} + +// requiredWithAll is the validation function +// The field under validation must be present and not empty only if all of the other specified fields are present. +func requiredWithAll(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + for _, param := range params { + if requireCheckFieldKind(fl, param, true) { + return true + } + } + return hasValue(fl) +} + +// excludedWithout is the validation function +// The field under validation must not be present or is empty when any of the other specified fields are not present. +func excludedWithout(fl FieldLevel) bool { + if requireCheckFieldKind(fl, strings.TrimSpace(fl.Param()), true) { + return !hasValue(fl) + } + return true +} + +// requiredWithout is the validation function +// The field under validation must be present and not empty only when any of the other specified fields are not present. +func requiredWithout(fl FieldLevel) bool { + if requireCheckFieldKind(fl, strings.TrimSpace(fl.Param()), true) { + return hasValue(fl) + } + return true +} + +// excludedWithoutAll is the validation function +// The field under validation must not be present or is empty when all of the other specified fields are not present. +func excludedWithoutAll(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + for _, param := range params { + if !requireCheckFieldKind(fl, param, true) { + return true + } + } + return !hasValue(fl) +} + +// requiredWithoutAll is the validation function +// The field under validation must be present and not empty only when all of the other specified fields are not present. +func requiredWithoutAll(fl FieldLevel) bool { + params := parseOneOfParam2(fl.Param()) + for _, param := range params { + if !requireCheckFieldKind(fl, param, true) { + return true + } + } + return hasValue(fl) +} + +// isGteField is the validation function for validating if the current field's value is greater than or equal to the field specified by the param's value. +func isGteField(fl FieldLevel) bool { + field := fl.Field() + kind := field.Kind() + + currentField, currentKind, ok := fl.GetStructFieldOK() + if !ok || currentKind != kind { + return false + } + + switch kind { + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + + return field.Int() >= currentField.Int() + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + + return field.Uint() >= currentField.Uint() + + case reflect.Float32, reflect.Float64: + + return field.Float() >= currentField.Float() + + case reflect.Struct: + + fieldType := field.Type() + + if fieldType.ConvertibleTo(timeType) && currentField.Type().ConvertibleTo(timeType) { + + t := currentField.Convert(timeType).Interface().(time.Time) + fieldTime := field.Convert(timeType).Interface().(time.Time) + + return fieldTime.After(t) || fieldTime.Equal(t) + } + + // Not Same underlying type i.e. struct and time + if fieldType != currentField.Type() { + return false + } + } + + // default reflect.String + return len(field.String()) >= len(currentField.String()) +} + +// isGtField is the validation function for validating if the current field's value is greater than the field specified by the param's value. +func isGtField(fl FieldLevel) bool { + field := fl.Field() + kind := field.Kind() + + currentField, currentKind, ok := fl.GetStructFieldOK() + if !ok || currentKind != kind { + return false + } + + switch kind { + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + + return field.Int() > currentField.Int() + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + + return field.Uint() > currentField.Uint() + + case reflect.Float32, reflect.Float64: + + return field.Float() > currentField.Float() + + case reflect.Struct: + + fieldType := field.Type() + + if fieldType.ConvertibleTo(timeType) && currentField.Type().ConvertibleTo(timeType) { + + t := currentField.Convert(timeType).Interface().(time.Time) + fieldTime := field.Convert(timeType).Interface().(time.Time) + + return fieldTime.After(t) + } + + // Not Same underlying type i.e. struct and time + if fieldType != currentField.Type() { + return false + } + } + + // default reflect.String + return len(field.String()) > len(currentField.String()) +} + +// isGte is the validation function for validating if the current field's value is greater than or equal to the param's value. +func isGte(fl FieldLevel) bool { + field := fl.Field() + param := fl.Param() + + switch field.Kind() { + + case reflect.String: + p := asInt(param) + + return int64(utf8.RuneCountInString(field.String())) >= p + + case reflect.Slice, reflect.Map, reflect.Array: + p := asInt(param) + + return int64(field.Len()) >= p + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + p := asIntFromType(field.Type(), param) + + return field.Int() >= p + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + p := asUint(param) + + return field.Uint() >= p + + case reflect.Float32, reflect.Float64: + p := asFloat(param) + + return field.Float() >= p + + case reflect.Struct: + + if field.Type().ConvertibleTo(timeType) { + + now := time.Now().UTC() + t := field.Convert(timeType).Interface().(time.Time) + + return t.After(now) || t.Equal(now) + } + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isGt is the validation function for validating if the current field's value is greater than the param's value. +func isGt(fl FieldLevel) bool { + field := fl.Field() + param := fl.Param() + + switch field.Kind() { + + case reflect.String: + p := asInt(param) + + return int64(utf8.RuneCountInString(field.String())) > p + + case reflect.Slice, reflect.Map, reflect.Array: + p := asInt(param) + + return int64(field.Len()) > p + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + p := asIntFromType(field.Type(), param) + + return field.Int() > p + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + p := asUint(param) + + return field.Uint() > p + + case reflect.Float32, reflect.Float64: + p := asFloat(param) + + return field.Float() > p + case reflect.Struct: + + if field.Type().ConvertibleTo(timeType) { + + return field.Convert(timeType).Interface().(time.Time).After(time.Now().UTC()) + } + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// hasLengthOf is the validation function for validating if the current field's value is equal to the param's value. +func hasLengthOf(fl FieldLevel) bool { + field := fl.Field() + param := fl.Param() + + switch field.Kind() { + + case reflect.String: + p := asInt(param) + + return int64(utf8.RuneCountInString(field.String())) == p + + case reflect.Slice, reflect.Map, reflect.Array: + p := asInt(param) + + return int64(field.Len()) == p + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + p := asIntFromType(field.Type(), param) + + return field.Int() == p + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + p := asUint(param) + + return field.Uint() == p + + case reflect.Float32, reflect.Float64: + p := asFloat(param) + + return field.Float() == p + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// hasMinOf is the validation function for validating if the current field's value is greater than or equal to the param's value. +func hasMinOf(fl FieldLevel) bool { + return isGte(fl) +} + +// isLteField is the validation function for validating if the current field's value is less than or equal to the field specified by the param's value. +func isLteField(fl FieldLevel) bool { + field := fl.Field() + kind := field.Kind() + + currentField, currentKind, ok := fl.GetStructFieldOK() + if !ok || currentKind != kind { + return false + } + + switch kind { + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + + return field.Int() <= currentField.Int() + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + + return field.Uint() <= currentField.Uint() + + case reflect.Float32, reflect.Float64: + + return field.Float() <= currentField.Float() + + case reflect.Struct: + + fieldType := field.Type() + + if fieldType.ConvertibleTo(timeType) && currentField.Type().ConvertibleTo(timeType) { + + t := currentField.Convert(timeType).Interface().(time.Time) + fieldTime := field.Convert(timeType).Interface().(time.Time) + + return fieldTime.Before(t) || fieldTime.Equal(t) + } + + // Not Same underlying type i.e. struct and time + if fieldType != currentField.Type() { + return false + } + } + + // default reflect.String + return len(field.String()) <= len(currentField.String()) +} + +// isLtField is the validation function for validating if the current field's value is less than the field specified by the param's value. +func isLtField(fl FieldLevel) bool { + field := fl.Field() + kind := field.Kind() + + currentField, currentKind, ok := fl.GetStructFieldOK() + if !ok || currentKind != kind { + return false + } + + switch kind { + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + + return field.Int() < currentField.Int() + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + + return field.Uint() < currentField.Uint() + + case reflect.Float32, reflect.Float64: + + return field.Float() < currentField.Float() + + case reflect.Struct: + + fieldType := field.Type() + + if fieldType.ConvertibleTo(timeType) && currentField.Type().ConvertibleTo(timeType) { + + t := currentField.Convert(timeType).Interface().(time.Time) + fieldTime := field.Convert(timeType).Interface().(time.Time) + + return fieldTime.Before(t) + } + + // Not Same underlying type i.e. struct and time + if fieldType != currentField.Type() { + return false + } + } + + // default reflect.String + return len(field.String()) < len(currentField.String()) +} + +// isLte is the validation function for validating if the current field's value is less than or equal to the param's value. +func isLte(fl FieldLevel) bool { + field := fl.Field() + param := fl.Param() + + switch field.Kind() { + + case reflect.String: + p := asInt(param) + + return int64(utf8.RuneCountInString(field.String())) <= p + + case reflect.Slice, reflect.Map, reflect.Array: + p := asInt(param) + + return int64(field.Len()) <= p + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + p := asIntFromType(field.Type(), param) + + return field.Int() <= p + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + p := asUint(param) + + return field.Uint() <= p + + case reflect.Float32, reflect.Float64: + p := asFloat(param) + + return field.Float() <= p + + case reflect.Struct: + + if field.Type().ConvertibleTo(timeType) { + + now := time.Now().UTC() + t := field.Convert(timeType).Interface().(time.Time) + + return t.Before(now) || t.Equal(now) + } + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isLt is the validation function for validating if the current field's value is less than the param's value. +func isLt(fl FieldLevel) bool { + field := fl.Field() + param := fl.Param() + + switch field.Kind() { + + case reflect.String: + p := asInt(param) + + return int64(utf8.RuneCountInString(field.String())) < p + + case reflect.Slice, reflect.Map, reflect.Array: + p := asInt(param) + + return int64(field.Len()) < p + + case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64: + p := asIntFromType(field.Type(), param) + + return field.Int() < p + + case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr: + p := asUint(param) + + return field.Uint() < p + + case reflect.Float32, reflect.Float64: + p := asFloat(param) + + return field.Float() < p + + case reflect.Struct: + + if field.Type().ConvertibleTo(timeType) { + + return field.Convert(timeType).Interface().(time.Time).Before(time.Now().UTC()) + } + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// hasMaxOf is the validation function for validating if the current field's value is less than or equal to the param's value. +func hasMaxOf(fl FieldLevel) bool { + return isLte(fl) +} + +// isJSON is the validation function for validating if the current field's value is a valid json string. +func isJSON(fl FieldLevel) bool { + field := fl.Field() + + if field.Kind() == reflect.String { + val := field.String() + return json.Valid([]byte(val)) + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isLowercase is the validation function for validating if the current field's value is a lowercase string. +func isLowercase(fl FieldLevel) bool { + field := fl.Field() + + if field.Kind() == reflect.String { + if field.String() == "" { + return false + } + return field.String() == strings.ToLower(field.String()) + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isUppercase is the validation function for validating if the current field's value is an uppercase string. +func isUppercase(fl FieldLevel) bool { + field := fl.Field() + + if field.Kind() == reflect.String { + if field.String() == "" { + return false + } + return field.String() == strings.ToUpper(field.String()) + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isDatetime is the validation function for validating if the current field's value is a valid datetime string. +func isDatetime(fl FieldLevel) bool { + field := fl.Field() + param := fl.Param() + + if field.Kind() == reflect.String { + _, err := time.Parse(param, field.String()) + + return err == nil + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} + +// isTimeZone is the validation function for validating if the current field's value is a valid time zone string. +func isTimeZone(fl FieldLevel) bool { + field := fl.Field() + + if field.Kind() == reflect.String { + // empty value is converted to UTC by time.LoadLocation but disallow it as it is not a valid time zone name + if field.String() == "" { + return false + } + + // Local value is converted to the current system time zone by time.LoadLocation but disallow it as it is not a valid time zone name + if strings.ToLower(field.String()) == "local" { + return false + } + + _, err := time.LoadLocation(field.String()) + return err == nil + } + + panic(fmt.Sprintf("Bad field type %T", field.Interface())) +} diff --git a/core/internal/valid/field_level.go b/core/internal/valid/field_level.go new file mode 100644 index 00000000..9e448372 --- /dev/null +++ b/core/internal/valid/field_level.go @@ -0,0 +1,115 @@ +package valid + +import "reflect" + +// FieldLevel contains all the information and helper functions +// to validate a field +type FieldLevel interface { + + // Top returns the top level struct, if any + Top() reflect.Value + + // Parent returns the current fields parent struct, if any or + // the comparison value if called 'VarWithValue' + Parent() reflect.Value + + // Field returns current field for validation + Field() reflect.Value + + // FieldName returns the field's name with the tag + // name taking precedence over the fields actual name. + FieldName() string + + // StructFieldName returns the struct field's name + StructFieldName() string + + // Param returns param for validation against current field + Param() string + + // GetTag returns the current validations tag name + GetTag() string + + // GetStructFieldOK traverses the parent struct to retrieve a specific field denoted by the provided namespace + // in the param and returns the field, field kind and whether is was successful in retrieving + // the field at all. + // + // NOTE: when not successful ok will be false, this can happen when a nested struct is nil and so the field + // could not be retrieved because it didn't exist. + // + // Deprecated: Use GetStructFieldOK2() instead which also return if the value is nullable. + GetStructFieldOK() (reflect.Value, reflect.Kind, bool) + + // GetStructFieldOKAdvanced is the same as GetStructFieldOK except that it accepts the parent struct to start looking for + // the field and namespace allowing more extensibility for validators. + // + // Deprecated: Use GetStructFieldOKAdvanced2() instead which also return if the value is nullable. + GetStructFieldOKAdvanced(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool) + + // GetStructFieldOK2 traverses the parent struct to retrieve a specific field denoted by the provided namespace + // in the param and returns the field, field kind, if it's a nullable type and whether is was successful in retrieving + // the field at all. + // + // NOTE: when not successful ok will be false, this can happen when a nested struct is nil and so the field + // could not be retrieved because it didn't exist. + GetStructFieldOK2() (reflect.Value, reflect.Kind, bool, bool) + + // GetStructFieldOKAdvanced2 is the same as GetStructFieldOK except that it accepts the parent struct to start looking for + // the field and namespace allowing more extensibility for validators. + GetStructFieldOKAdvanced2(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool, bool) +} + +var _ FieldLevel = new(validate) + +// Field returns current field for validation +func (v *validate) Field() reflect.Value { + return v.flField +} + +// FieldName returns the field's name with the tag +// name taking precedence over the fields actual name. +func (v *validate) FieldName() string { + return v.cf.altName +} + +// GetTag returns the current validations tag name +func (v *validate) GetTag() string { + return v.ct.tag +} + +// StructFieldName returns the struct field's name +func (v *validate) StructFieldName() string { + return v.cf.name +} + +// Param returns param for validation against current field +func (v *validate) Param() string { + return v.ct.param +} + +// GetStructFieldOK returns Param returns param for validation against current field +// +// Deprecated: Use GetStructFieldOK2() instead which also return if the value is nullable. +func (v *validate) GetStructFieldOK() (reflect.Value, reflect.Kind, bool) { + current, kind, _, found := v.getStructFieldOKInternal(v.slflParent, v.ct.param) + return current, kind, found +} + +// GetStructFieldOKAdvanced is the same as GetStructFieldOK except that it accepts the parent struct to start looking for +// the field and namespace allowing more extensibility for validators. +// +// Deprecated: Use GetStructFieldOKAdvanced2() instead which also return if the value is nullable. +func (v *validate) GetStructFieldOKAdvanced(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool) { + current, kind, _, found := v.GetStructFieldOKAdvanced2(val, namespace) + return current, kind, found +} + +// GetStructFieldOK2 returns Param returns param for validation against current field +func (v *validate) GetStructFieldOK2() (reflect.Value, reflect.Kind, bool, bool) { + return v.getStructFieldOKInternal(v.slflParent, v.ct.param) +} + +// GetStructFieldOKAdvanced2 is the same as GetStructFieldOK except that it accepts the parent struct to start looking for +// the field and namespace allowing more extensibility for validators. +func (v *validate) GetStructFieldOKAdvanced2(val reflect.Value, namespace string) (reflect.Value, reflect.Kind, bool, bool) { + return v.getStructFieldOKInternal(val, namespace) +} diff --git a/core/internal/valid/regexes.go b/core/internal/valid/regexes.go new file mode 100644 index 00000000..ac9e806b --- /dev/null +++ b/core/internal/valid/regexes.go @@ -0,0 +1,58 @@ +package valid + +import "regexp" + +const ( + alphaRegexString = "^[a-zA-Z]+$" + alphaNumericRegexString = "^[a-zA-Z0-9]+$" + alphaUnicodeRegexString = "^[\\p{L}]+$" + alphaUnicodeNumericRegexString = "^[\\p{L}\\p{N}]+$" + numericRegexString = "^[-+]?[0-9]+(?:\\.[0-9]+)?$" + numberRegexString = "^[0-9]+$" + emailRegexString = "^(?:(?:(?:(?:[a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+(?:\\.([a-zA-Z]|\\d|[!#\\$%&'\\*\\+\\-\\/=\\?\\^_`{\\|}~]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])+)*)|(?:(?:\\x22)(?:(?:(?:(?:\\x20|\\x09)*(?:\\x0d\\x0a))?(?:\\x20|\\x09)+)?(?:(?:[\\x01-\\x08\\x0b\\x0c\\x0e-\\x1f\\x7f]|\\x21|[\\x23-\\x5b]|[\\x5d-\\x7e]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(?:(?:[\\x01-\\x09\\x0b\\x0c\\x0d-\\x7f]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}]))))*(?:(?:(?:\\x20|\\x09)*(?:\\x0d\\x0a))?(\\x20|\\x09)+)?(?:\\x22))))@(?:(?:(?:[a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(?:(?:[a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])(?:[a-zA-Z]|\\d|-|\\.|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*(?:[a-zA-Z]|\\d|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.)+(?:(?:[a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])|(?:(?:[a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])(?:[a-zA-Z]|\\d|-|\\.|~|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])*(?:[a-zA-Z]|[\\x{00A0}-\\x{D7FF}\\x{F900}-\\x{FDCF}\\x{FDF0}-\\x{FFEF}])))\\.?$" + uUID3RegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-3[0-9a-f]{3}-[0-9a-f]{4}-[0-9a-f]{12}$" + uUID4RegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$" + uUID5RegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-5[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$" + uUIDRegexString = "^[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}$" + uUID3RFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-3[0-9a-fA-F]{3}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$" + uUID4RFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-4[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$" + uUID5RFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-5[0-9a-fA-F]{3}-[89abAB][0-9a-fA-F]{3}-[0-9a-fA-F]{12}$" + uUIDRFC4122RegexString = "^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$" + uLIDRegexString = "^[A-HJKMNP-TV-Z0-9]{26}$" + aSCIIRegexString = "^[\x00-\x7F]*$" + printableASCIIRegexString = "^[\x20-\x7E]*$" + multibyteRegexString = "[^\x00-\x7F]" + dataURIRegexString = `^data:((?:\w+\/(?:([^;]|;[^;]).)+)?)` + uRLEncodedRegexString = `^(?:[^%]|%[0-9A-Fa-f]{2})*$` + hTMLEncodedRegexString = `&#[x]?([0-9a-fA-F]{2})|(>)|(<)|(")|(&)+[;]?` + hTMLRegexString = `<[/]?([a-zA-Z]+).*?>` + jWTRegexString = "^[A-Za-z0-9-_]+\\.[A-Za-z0-9-_]+\\.[A-Za-z0-9-_]*$" + splitParamsRegexString = `'[^']*'|\S+` + bicRegexString = `^[A-Za-z]{6}[A-Za-z0-9]{2}([A-Za-z0-9]{3})?$` + semverRegexString = `^(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-((?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$` // numbered capture groups https://semver.org/ + dnsRegexStringRFC1035Label = "^[a-z]([-a-z0-9]*[a-z0-9]){0,62}$" +) + +var ( + alphaRegex = regexp.MustCompile(alphaRegexString) + alphaNumericRegex = regexp.MustCompile(alphaNumericRegexString) + alphaUnicodeRegex = regexp.MustCompile(alphaUnicodeRegexString) + alphaUnicodeNumericRegex = regexp.MustCompile(alphaUnicodeNumericRegexString) + numericRegex = regexp.MustCompile(numericRegexString) + numberRegex = regexp.MustCompile(numberRegexString) + emailRegex = regexp.MustCompile(emailRegexString) + uUID3Regex = regexp.MustCompile(uUID3RegexString) + uUID4Regex = regexp.MustCompile(uUID4RegexString) + uUID5Regex = regexp.MustCompile(uUID5RegexString) + uUIDRegex = regexp.MustCompile(uUIDRegexString) + uUID3RFC4122Regex = regexp.MustCompile(uUID3RFC4122RegexString) + uUID4RFC4122Regex = regexp.MustCompile(uUID4RFC4122RegexString) + uUID5RFC4122Regex = regexp.MustCompile(uUID5RFC4122RegexString) + uUIDRFC4122Regex = regexp.MustCompile(uUIDRFC4122RegexString) + uLIDRegex = regexp.MustCompile(uLIDRegexString) + aSCIIRegex = regexp.MustCompile(aSCIIRegexString) + printableASCIIRegex = regexp.MustCompile(printableASCIIRegexString) + multibyteRegex = regexp.MustCompile(multibyteRegexString) + uRLEncodedRegex = regexp.MustCompile(uRLEncodedRegexString) + splitParamsRegex = regexp.MustCompile(splitParamsRegexString) +) diff --git a/core/internal/valid/struct_level.go b/core/internal/valid/struct_level.go new file mode 100644 index 00000000..40282d35 --- /dev/null +++ b/core/internal/valid/struct_level.go @@ -0,0 +1,58 @@ +package valid + +import ( + "reflect" +) + +// StructLevel contains all the information and helper functions +// to validate a struct +type StructLevel interface { + + // Validator returns the main validation object, in case one wants to call validations internally. + // this is so you don't have to use anonymous functions to get access to the validate + // instance. + Validator() *Validate + + // Top returns the top level struct, if any + Top() reflect.Value + + // Parent returns the current fields parent struct, if any + Parent() reflect.Value + + // Current returns the current struct. + Current() reflect.Value +} + +var _ StructLevel = new(validate) + +// Top returns the top level struct +// +// NOTE: this can be the same as the current struct being validated +// if not is a nested struct. +// +// this is only called when within Struct and Field Level validation and +// should not be relied upon for an acurate value otherwise. +func (v *validate) Top() reflect.Value { + return v.top +} + +// Parent returns the current structs parent +// +// NOTE: this can be the same as the current struct being validated +// if not is a nested struct. +// +// this is only called when within Struct and Field Level validation and +// should not be relied upon for an acurate value otherwise. +func (v *validate) Parent() reflect.Value { + return v.slflParent +} + +// Current returns the current struct. +func (v *validate) Current() reflect.Value { + return v.slCurrent +} + +// Validator returns the main validation object, in case one want to call validations internally. +func (v *validate) Validator() *Validate { + return v.v +} diff --git a/core/internal/valid/tags.go b/core/internal/valid/tags.go new file mode 100644 index 00000000..fcd75e67 --- /dev/null +++ b/core/internal/valid/tags.go @@ -0,0 +1,193 @@ +package valid + +import ( + "fmt" + "strings" +) + +type tagType uint8 + +const ( + typeDefault tagType = iota + typeOmitEmpty + typeIsDefault + typeNoStructLevel + typeStructOnly + typeDive + typeOr + typeKeys + typeEndKeys +) + +const ( + invalidValidation = "Invalid validation tag on field '%s'" + undefinedValidation = "Undefined validation function '%s' on field '%s'" + keysTagNotDefined = "'" + endKeysTag + "' tag encountered without a corresponding '" + keysTag + "' tag" +) + +type cField struct { + name string + altName string + namesEqual bool +} + +type cTag struct { + tag string + aliasTag string + actualAliasTag string + param string + keys *cTag // only populated when using tag's 'keys' and 'endkeys' for map key validation + next *cTag + fn FuncCtx + typeof tagType + hasTag bool + hasAlias bool + hasParam bool // true if parameter used eg. eq= where the equal sign has been set + isBlockEnd bool // indicates the current tag represents the last validation in the block + runValidationWhenNil bool +} + +func (v *Validate) parseFieldTagsRecursive(tag string, fieldName string, alias string, hasAlias bool) (firstCtag *cTag, current *cTag) { + var t string + noAlias := len(alias) == 0 + tags := strings.Split(tag, tagSeparator) + + for i := 0; i < len(tags); i++ { + t = tags[i] + if noAlias { + alias = t + } + + // check map for alias and process new tags, otherwise process as usual + // if tagsVal, found := v.aliases[t]; found { + // if i == 0 { + // firstCtag, current = v.parseFieldTagsRecursive(tagsVal, fieldName, t, true) + // } else { + // next, curr := v.parseFieldTagsRecursive(tagsVal, fieldName, t, true) + // current.next, current = next, curr + + // } + // continue + // } + + var prevTag tagType + + if i == 0 { + current = &cTag{aliasTag: alias, hasAlias: hasAlias, hasTag: true, typeof: typeDefault} + firstCtag = current + } else { + prevTag = current.typeof + current.next = &cTag{aliasTag: alias, hasAlias: hasAlias, hasTag: true} + current = current.next + } + + switch t { + case diveTag: + current.typeof = typeDive + continue + + case keysTag: + current.typeof = typeKeys + + if i == 0 || prevTag != typeDive { + panic(fmt.Sprintf("'%s' tag must be immediately preceded by the '%s' tag", keysTag, diveTag)) + } + + current.typeof = typeKeys + + // need to pass along only keys tag + // need to increment i to skip over the keys tags + b := make([]byte, 0, 64) + + i++ + + for ; i < len(tags); i++ { + b = append(b, tags[i]...) + b = append(b, ',') + + if tags[i] == endKeysTag { + break + } + } + + current.keys, _ = v.parseFieldTagsRecursive(string(b[:len(b)-1]), fieldName, "", false) + continue + + case endKeysTag: + current.typeof = typeEndKeys + + // if there are more in tags then there was no keysTag defined + // and an error should be thrown + if i != len(tags)-1 { + panic(keysTagNotDefined) + } + return + + case omitempty: + current.typeof = typeOmitEmpty + continue + + case structOnlyTag: + current.typeof = typeStructOnly + continue + + case noStructLevelTag: + current.typeof = typeNoStructLevel + continue + + default: + if t == isdefault { + current.typeof = typeIsDefault + } + // if a pipe character is needed within the param you must use the utf8Pipe representation "0x7C" + orVals := strings.Split(t, orSeparator) + + for j := 0; j < len(orVals); j++ { + vals := strings.SplitN(orVals[j], tagKeySeparator, 2) + if noAlias { + alias = vals[0] + current.aliasTag = alias + } else { + current.actualAliasTag = t + } + + if j > 0 { + current.next = &cTag{aliasTag: alias, actualAliasTag: current.actualAliasTag, hasAlias: hasAlias, hasTag: true} + current = current.next + } + current.hasParam = len(vals) > 1 + + current.tag = vals[0] + if len(current.tag) == 0 { + panic(strings.TrimSpace(fmt.Sprintf(invalidValidation, fieldName))) + } + + if wrapper, ok := v.validations[current.tag]; ok { + current.fn = wrapper.fn + current.runValidationWhenNil = wrapper.runValidatinOnNil + } else { + panic(strings.TrimSpace(fmt.Sprintf(undefinedValidation, current.tag, fieldName))) + } + + if len(orVals) > 1 { + current.typeof = typeOr + } + + if len(vals) > 1 { + current.param = strings.Replace(strings.Replace(vals[1], utf8HexComma, ",", -1), utf8Pipe, "|", -1) + } + } + current.isBlockEnd = true + } + } + return +} + +func (v *Validate) fetchCacheTag(tag string) *cTag { + if ct, ok := v.tagCache[tag]; ok { + return ct + } + ctag, _ := v.parseFieldTagsRecursive(tag, "", "", false) + v.tagCache[tag] = ctag + return ctag +} diff --git a/core/internal/valid/util.go b/core/internal/valid/util.go new file mode 100644 index 00000000..b824e6ca --- /dev/null +++ b/core/internal/valid/util.go @@ -0,0 +1,220 @@ +package valid + +import ( + "reflect" + "strconv" + "strings" + "time" +) + +// extractTypeInternal gets the actual underlying type of field value. +// It will dive into pointers, customTypes and return you the +// underlying value and it's kind. +func (v *validate) extractTypeInternal(current reflect.Value, nullable bool) (reflect.Value, reflect.Kind, bool) { + return current, current.Kind(), nullable +} + +// getStructFieldOKInternal traverses a struct to retrieve a specific field denoted by the provided namespace and +// returns the field, field kind and whether is was successful in retrieving the field at all. +// +// NOTE: when not successful ok will be false, this can happen when a nested struct is nil and so the field +// could not be retrieved because it didn't exist. +func (v *validate) getStructFieldOKInternal(val reflect.Value, namespace string) (current reflect.Value, kind reflect.Kind, nullable bool, found bool) { +BEGIN: + current = val + kind = val.Kind() + nullable = false + if kind == reflect.Invalid { + return + } + + if namespace == "" { + found = true + return + } + + switch kind { + case reflect.Ptr, reflect.Interface: + return + + case reflect.Array, reflect.Slice: + idx := strings.Index(namespace, leftBracket) + idx2 := strings.Index(namespace, rightBracket) + + arrIdx, _ := strconv.Atoi(namespace[idx+1 : idx2]) + + if arrIdx >= current.Len() { + return + } + + startIdx := idx2 + 1 + + if startIdx < len(namespace) { + if namespace[startIdx:startIdx+1] == namespaceSeparator { + startIdx++ + } + } + + val = current.Index(arrIdx) + namespace = namespace[startIdx:] + goto BEGIN + + case reflect.Map: + idx := strings.Index(namespace, leftBracket) + 1 + idx2 := strings.Index(namespace, rightBracket) + + endIdx := idx2 + + if endIdx+1 < len(namespace) { + if namespace[endIdx+1:endIdx+2] == namespaceSeparator { + endIdx++ + } + } + + key := namespace[idx:idx2] + + switch current.Type().Key().Kind() { + case reflect.Int: + i, _ := strconv.Atoi(key) + val = current.MapIndex(reflect.ValueOf(i)) + namespace = namespace[endIdx+1:] + + case reflect.Int8: + i, _ := strconv.ParseInt(key, 10, 8) + val = current.MapIndex(reflect.ValueOf(int8(i))) + namespace = namespace[endIdx+1:] + + case reflect.Int16: + i, _ := strconv.ParseInt(key, 10, 16) + val = current.MapIndex(reflect.ValueOf(int16(i))) + namespace = namespace[endIdx+1:] + + case reflect.Int32: + i, _ := strconv.ParseInt(key, 10, 32) + val = current.MapIndex(reflect.ValueOf(int32(i))) + namespace = namespace[endIdx+1:] + + case reflect.Int64: + i, _ := strconv.ParseInt(key, 10, 64) + val = current.MapIndex(reflect.ValueOf(i)) + namespace = namespace[endIdx+1:] + + case reflect.Uint: + i, _ := strconv.ParseUint(key, 10, 0) + val = current.MapIndex(reflect.ValueOf(uint(i))) + namespace = namespace[endIdx+1:] + + case reflect.Uint8: + i, _ := strconv.ParseUint(key, 10, 8) + val = current.MapIndex(reflect.ValueOf(uint8(i))) + namespace = namespace[endIdx+1:] + + case reflect.Uint16: + i, _ := strconv.ParseUint(key, 10, 16) + val = current.MapIndex(reflect.ValueOf(uint16(i))) + namespace = namespace[endIdx+1:] + + case reflect.Uint32: + i, _ := strconv.ParseUint(key, 10, 32) + val = current.MapIndex(reflect.ValueOf(uint32(i))) + namespace = namespace[endIdx+1:] + + case reflect.Uint64: + i, _ := strconv.ParseUint(key, 10, 64) + val = current.MapIndex(reflect.ValueOf(i)) + namespace = namespace[endIdx+1:] + + case reflect.Float32: + f, _ := strconv.ParseFloat(key, 32) + val = current.MapIndex(reflect.ValueOf(float32(f))) + namespace = namespace[endIdx+1:] + + case reflect.Float64: + f, _ := strconv.ParseFloat(key, 64) + val = current.MapIndex(reflect.ValueOf(f)) + namespace = namespace[endIdx+1:] + + case reflect.Bool: + b, _ := strconv.ParseBool(key) + val = current.MapIndex(reflect.ValueOf(b)) + namespace = namespace[endIdx+1:] + + // reflect.Type = string + default: + val = current.MapIndex(reflect.ValueOf(key)) + namespace = namespace[endIdx+1:] + } + + goto BEGIN + } + + // if got here there was more namespace, cannot go any deeper + panic("Invalid field namespace") +} + +// asInt returns the parameter as a int64 +// or panics if it can't convert +func asInt(param string) int64 { + i, err := strconv.ParseInt(param, 0, 64) + panicIf(err) + + return i +} + +// asIntFromTimeDuration parses param as time.Duration and returns it as int64 +// or panics on error. +func asIntFromTimeDuration(param string) int64 { + d, err := time.ParseDuration(param) + if err != nil { + // attempt parsing as an an integer assuming nanosecond precision + return asInt(param) + } + return int64(d) +} + +// asIntFromType calls the proper function to parse param as int64, +// given a field's Type t. +func asIntFromType(t reflect.Type, param string) int64 { + switch t { + case timeDurationType: + return asIntFromTimeDuration(param) + default: + return asInt(param) + } +} + +// asUint returns the parameter as a uint64 +// or panics if it can't convert +func asUint(param string) uint64 { + + i, err := strconv.ParseUint(param, 0, 64) + panicIf(err) + + return i +} + +// asFloat returns the parameter as a float64 +// or panics if it can't convert +func asFloat(param string) float64 { + + i, err := strconv.ParseFloat(param, 64) + panicIf(err) + + return i +} + +// asBool returns the parameter as a bool +// or panics if it can't convert +func asBool(param string) bool { + + i, err := strconv.ParseBool(param) + panicIf(err) + + return i +} + +func panicIf(err error) { + if err != nil { + panic(err.Error()) + } +} diff --git a/core/internal/valid/valid.go b/core/internal/valid/valid.go new file mode 100644 index 00000000..d93f53be --- /dev/null +++ b/core/internal/valid/valid.go @@ -0,0 +1,224 @@ +package valid + +import ( + "context" + "errors" + "reflect" + "time" +) + +const ( + tagName = "validate" + utf8HexComma = "0x2C" + utf8Pipe = "0x7C" + tagSeparator = "," + orSeparator = "|" + tagKeySeparator = "=" + structOnlyTag = "structonly" + noStructLevelTag = "nostructlevel" + omitempty = "omitempty" + isdefault = "isdefault" + requiredWithoutAllTag = "required_without_all" + requiredWithoutTag = "required_without" + requiredWithTag = "required_with" + requiredWithAllTag = "required_with_all" + requiredIfTag = "required_if" + requiredUnlessTag = "required_unless" + excludedWithoutAllTag = "excluded_without_all" + excludedWithoutTag = "excluded_without" + excludedWithTag = "excluded_with" + excludedWithAllTag = "excluded_with_all" + excludedIfTag = "excluded_if" + excludedUnlessTag = "excluded_unless" + skipValidationTag = "-" + diveTag = "dive" + keysTag = "keys" + endKeysTag = "endkeys" + requiredTag = "required" + namespaceSeparator = "." + leftBracket = "[" + rightBracket = "]" + restrictedTagChars = ".[],|=+()`~!@#$%^&*\\\"/?<>{}" + restrictedAliasErr = "Alias '%s' either contains restricted characters or is the same as a restricted tag needed for normal operation" + restrictedTagErr = "Tag '%s' either contains restricted characters or is the same as a restricted tag needed for normal operation" +) + +var ( + timeDurationType = reflect.TypeOf(time.Duration(0)) + timeType = reflect.TypeOf(time.Time{}) + + defaultCField = &cField{namesEqual: true} +) + +// FilterFunc is the type used to filter fields using +// StructFiltered(...) function. +// returning true results in the field being filtered/skiped from +// validation +type FilterFunc func(ns []byte) bool + +// CustomTypeFunc allows for overriding or adding custom field type handler functions +// field = field value of the type to return a value to be validated +// example Valuer from sql drive see https://golang.org/src/database/sql/driver/types.go?s=1210:1293#L29 +type CustomTypeFunc func(field reflect.Value) interface{} + +// TagNameFunc allows for adding of a custom tag name parser +type TagNameFunc func(field reflect.StructField) string + +type internalValidationFuncWrapper struct { + fn FuncCtx + runValidatinOnNil bool +} + +// Validate contains the validator settings and cache +type Validate struct { + validations map[string]internalValidationFuncWrapper + tagCache map[string]*cTag +} + +// New returns a new instance of 'validate' with sane defaults. +// Validate is designed to be thread-safe and used as a singleton instance. +// It caches information about your struct and validations, +// in essence only parsing your validation tags once per struct type. +// Using multiple instances neglects the benefit of caching. +func New() *Validate { + v := &Validate{ + validations: make(map[string]internalValidationFuncWrapper, len(bakedInValidators)), + tagCache: make(map[string]*cTag, 3), + } + // // must copy validators for separate validations to be used in each instance + for k, val := range bakedInValidators { + switch k { + // these require that even if the value is nil that the validation should run, omitempty still overrides this behaviour + case requiredIfTag, requiredUnlessTag, requiredWithTag, requiredWithAllTag, requiredWithoutTag, requiredWithoutAllTag, + excludedIfTag, excludedUnlessTag, excludedWithTag, excludedWithAllTag, excludedWithoutTag, excludedWithoutAllTag: + _ = v.registerValidation(k, wrapFunc(val), true, true) + default: + // no need to error check here, baked in will always be valid + _ = v.registerValidation(k, wrapFunc(val), true, false) + } + } + return v +} + +// ValidateMapCtx validates a map using a map of validation rules and allows passing of contextual +// validation validation information via context.Context. +func (v Validate) ValidateMap(ctx context.Context, data map[string]interface{}, rules map[string]interface{}) map[string]error { + var errs map[string]error + + for field, rule := range rules { + if ruleStr, ok := rule.(string); ok { + err := v.VarCtx(ctx, data[field], ruleStr) + if err != nil { + if errs == nil { + errs = make(map[string]error) + } + errs[field] = err + } + } + } + return errs +} + +// Var validates a single variable using tag style validation. +// eg. +// var i int +// validate.Var(i, "gt=1,lt=10") +// +// WARNING: a struct can be passed for validation eg. time.Time is a struct or +// if you have a custom type and have registered a custom type handler, so must +// allow it; however unforeseen validations will occur if trying to validate a +// struct that is meant to be passed to 'validate.Struct' +// +// It returns InvalidValidationError for bad values passed in and nil or ValidationErrors as error otherwise. +// You will need to assert the error if it's not nil eg. err.(validator.ValidationErrors) to access the array of errors. +// validate Array, Slice and maps fields which may contain more than one error +func (v *Validate) Var(field interface{}, tag string) error { + return v.VarCtx(context.Background(), field, tag) +} + +// VarCtx validates a single variable using tag style validation and allows passing of contextual +// validation validation information via context.Context. +// eg. +// var i int +// validate.Var(i, "gt=1,lt=10") +// +// WARNING: a struct can be passed for validation eg. time.Time is a struct or +// if you have a custom type and have registered a custom type handler, so must +// allow it; however unforeseen validations will occur if trying to validate a +// struct that is meant to be passed to 'validate.Struct' +// +// It returns InvalidValidationError for bad values passed in and nil or ValidationErrors as error otherwise. +// You will need to assert the error if it's not nil eg. err.(validator.ValidationErrors) to access the array of errors. +// validate Array, Slice and maps fields which may contain more than one error +func (v *Validate) VarCtx(ctx context.Context, field interface{}, tag string) (err error) { + if len(tag) == 0 || tag == skipValidationTag { + return nil + } + + ctag := v.fetchCacheTag(tag) + val := reflect.ValueOf(field) + + vd := &validate{} + vd.top = val + vd.isPartial = false + err = vd.traverseField(ctx, val, val, vd.ns[0:0], vd.actualNs[0:0], defaultCField, ctag) + return +} + +// VarWithValue validates a single variable, against another variable/field's value using tag style validation +// eg. +// s1 := "abcd" +// s2 := "abcd" +// validate.VarWithValue(s1, s2, "eqcsfield") // returns true +// +// WARNING: a struct can be passed for validation eg. time.Time is a struct or +// if you have a custom type and have registered a custom type handler, so must +// allow it; however unforeseen validations will occur if trying to validate a +// struct that is meant to be passed to 'validate.Struct' +// +// It returns InvalidValidationError for bad values passed in and nil or ValidationErrors as error otherwise. +// You will need to assert the error if it's not nil eg. err.(validator.ValidationErrors) to access the array of errors. +// validate Array, Slice and maps fields which may contain more than one error +func (v *Validate) VarWithValue(field interface{}, other interface{}, tag string) error { + return v.VarWithValueCtx(context.Background(), field, other, tag) +} + +// VarWithValueCtx validates a single variable, against another variable/field's value using tag style validation and +// allows passing of contextual validation validation information via context.Context. +// eg. +// s1 := "abcd" +// s2 := "abcd" +// validate.VarWithValue(s1, s2, "eqcsfield") // returns true +// +// WARNING: a struct can be passed for validation eg. time.Time is a struct or +// if you have a custom type and have registered a custom type handler, so must +// allow it; however unforeseen validations will occur if trying to validate a +// struct that is meant to be passed to 'validate.Struct' +// +// It returns InvalidValidationError for bad values passed in and nil or ValidationErrors as error otherwise. +// You will need to assert the error if it's not nil eg. err.(validator.ValidationErrors) to access the array of errors. +// validate Array, Slice and maps fields which may contain more than one error +func (v *Validate) VarWithValueCtx(ctx context.Context, field interface{}, other interface{}, tag string) (err error) { + if len(tag) == 0 || tag == skipValidationTag { + return nil + } + ctag := v.fetchCacheTag(tag) + otherVal := reflect.ValueOf(other) + + vd := &validate{} + vd.top = otherVal + vd.isPartial = false + err = vd.traverseField(ctx, otherVal, reflect.ValueOf(field), vd.ns[0:0], vd.actualNs[0:0], defaultCField, ctag) + return +} + +func (v *Validate) registerValidation(tag string, fn FuncCtx, bakedIn bool, nilCheckable bool) error { + if len(tag) == 0 { + return errors.New("function Key cannot be empty") + } + if fn == nil { + return errors.New("function cannot be empty") + } + v.validations[tag] = internalValidationFuncWrapper{fn: fn, runValidatinOnNil: nilCheckable} + return nil +} diff --git a/core/internal/valid/validator.go b/core/internal/valid/validator.go new file mode 100644 index 00000000..9c7aecc2 --- /dev/null +++ b/core/internal/valid/validator.go @@ -0,0 +1,254 @@ +package valid + +import ( + "context" + "fmt" + "reflect" + "strconv" +) + +var errMsg = "failed on '%s'" + +// per validate construct +type validate struct { + v *Validate + top reflect.Value + ns []byte + actualNs []byte + slflParent reflect.Value // StructLevel & FieldLevel + slCurrent reflect.Value // StructLevel & FieldLevel + flField reflect.Value // StructLevel & FieldLevel + cf *cField // StructLevel & FieldLevel + ct *cTag // StructLevel & FieldLevel + misc []byte // misc reusable + str1 string // misc reusable + str2 string // misc reusable + fldIsPointer bool // StructLevel & FieldLevel + isPartial bool +} + +// traverseField validates any field, be it a struct or single field, ensures it's validity and passes it along to be validated via it's tag options +func (v *validate) traverseField(ctx context.Context, parent reflect.Value, current reflect.Value, ns []byte, structNs []byte, cf *cField, ct *cTag) (err error) { + var kind reflect.Kind + + current, kind, v.fldIsPointer = v.extractTypeInternal(current, false) + switch kind { + case reflect.Ptr, reflect.Interface, reflect.Invalid: + if ct == nil { + return + } + + if ct.typeof == typeOmitEmpty || ct.typeof == typeIsDefault { + return + } + + if ct.hasTag { + if kind == reflect.Invalid { + v.str1 = string(append(ns, cf.altName...)) + v.str2 = v.str1 + err = fmt.Errorf(errMsg, ct.tag) + return + } + + v.str1 = string(append(ns, cf.altName...)) + v.str2 = v.str1 + if !ct.runValidationWhenNil { + err = fmt.Errorf(errMsg, ct.tag) + return + } + } + } + + if ct == nil || !ct.hasTag { + return + } + +OUTER: + for { + if ct == nil { + return + } + + switch ct.typeof { + case typeOmitEmpty: + // set Field Level fields + v.slflParent = parent + v.flField = current + v.cf = cf + v.ct = ct + + if !hasValue(v) { + return + } + + ct = ct.next + continue + + case typeEndKeys: + return + + case typeDive: + ct = ct.next + + // traverse slice or map here + // or panic ;) + switch kind { + case reflect.Slice, reflect.Array: + + var i64 int64 + reusableCF := &cField{} + + for i := 0; i < current.Len(); i++ { + i64 = int64(i) + + v.misc = append(v.misc[0:0], cf.name...) + v.misc = append(v.misc, '[') + v.misc = strconv.AppendInt(v.misc, i64, 10) + v.misc = append(v.misc, ']') + + reusableCF.name = string(v.misc) + + if cf.namesEqual { + reusableCF.altName = reusableCF.name + } else { + + v.misc = append(v.misc[0:0], cf.altName...) + v.misc = append(v.misc, '[') + v.misc = strconv.AppendInt(v.misc, i64, 10) + v.misc = append(v.misc, ']') + + reusableCF.altName = string(v.misc) + } + err = v.traverseField(ctx, parent, current.Index(i), ns, structNs, reusableCF, ct) + if err != nil { + return + } + } + + case reflect.Map: + + var pv string + reusableCF := &cField{} + + for _, key := range current.MapKeys() { + + pv = fmt.Sprintf("%v", key.Interface()) + + v.misc = append(v.misc[0:0], cf.name...) + v.misc = append(v.misc, '[') + v.misc = append(v.misc, pv...) + v.misc = append(v.misc, ']') + + reusableCF.name = string(v.misc) + + if cf.namesEqual { + reusableCF.altName = reusableCF.name + } else { + v.misc = append(v.misc[0:0], cf.altName...) + v.misc = append(v.misc, '[') + v.misc = append(v.misc, pv...) + v.misc = append(v.misc, ']') + + reusableCF.altName = string(v.misc) + } + + if ct != nil && ct.typeof == typeKeys && ct.keys != nil { + err = v.traverseField(ctx, parent, key, ns, structNs, reusableCF, ct.keys) + // can be nil when just keys being validated + if ct.next != nil { + err = v.traverseField(ctx, parent, current.MapIndex(key), ns, structNs, reusableCF, ct.next) + } + } else { + err = v.traverseField(ctx, parent, current.MapIndex(key), ns, structNs, reusableCF, ct) + } + + if err != nil { + return + } + } + + default: + // throw error, if not a slice or map then should not have gotten here + // bad dive tag + panic("dive error! can't dive on a non slice or map") + } + return + + case typeOr: + v.misc = v.misc[0:0] + for { + + // set Field Level fields + v.slflParent = parent + v.flField = current + v.cf = cf + v.ct = ct + + if ct.fn(ctx, v) { + if ct.isBlockEnd { + ct = ct.next + continue OUTER + } + + // drain rest of the 'or' values, then continue or leave + for { + + ct = ct.next + + if ct == nil { + return + } + + if ct.typeof != typeOr { + continue OUTER + } + + if ct.isBlockEnd { + ct = ct.next + continue OUTER + } + } + } + + v.misc = append(v.misc, '|') + v.misc = append(v.misc, ct.tag...) + + if ct.hasParam { + v.misc = append(v.misc, '=') + v.misc = append(v.misc, ct.param...) + } + + if ct.isBlockEnd || ct.next == nil { + // if we get here, no valid 'or' value and no more tags + v.str1 = string(append(ns, cf.altName...)) + v.str2 = v.str1 + + if ct.hasAlias { + err = fmt.Errorf(errMsg, ct.aliasTag) + } else { + tVal := string(v.misc)[1:] + err = fmt.Errorf(errMsg, tVal) + } + return + } + + ct = ct.next + } + + default: + // set Field Level fields + v.slflParent = parent + v.flField = current + v.cf = cf + v.ct = ct + + if !ct.fn(ctx, v) { + v.str1 = string(append(ns, cf.altName...)) + v.str2 = v.str1 + err = fmt.Errorf(errMsg, ct.aliasTag) + return + } + ct = ct.next + } + } +} diff --git a/package.json b/package.json index d1066b12..3f8570e2 100644 --- a/package.json +++ b/package.json @@ -1,6 +1,6 @@ { "name": "graphjin", - "version": "2.0.9", + "version": "2.0.10", "description": "GraphJin - Build APIs in 5 minutes with GraphQL", "type": "module", "main": "./wasm/js/graphjin.js", diff --git a/plugin/fs/afero.go b/plugin/fs/afero.go index 16284779..bc244a30 100644 --- a/plugin/fs/afero.go +++ b/plugin/fs/afero.go @@ -1,3 +1,5 @@ +//go:build !wasm || !tinygo + package fs import ( diff --git a/wasm/graphjin.wasm b/wasm/graphjin.wasm index 4e276386..0cae2964 100755 Binary files a/wasm/graphjin.wasm and b/wasm/graphjin.wasm differ