feat: Add Cloudflare API and Origin CA keys (#10)

### Description:
Added rules for real (revoked) cloudflare secrets

### Checklist:

* [x] Does your PR pass tests?
* [x] Have you written new tests for your changes?
* [x] Have you lint your code locally prior to submission?

Original: gitleaks#1374

cmd/generate/config/main.go

@@ -46,6 +46,9 @@ func main() {
 		rules.CodecovAccessToken(),
 		rules.CoinbaseAccessToken(),
 		rules.Clojars(),
+		rules.CloudflareAPIKey(),
+		rules.CloudflareGlobalAPIKey(),
+		rules.CloudflareOriginCAKey(),
 		rules.ConfluentAccessToken(),
 		rules.ConfluentSecretKey(),
 		rules.Contentful(),

cmd/generate/config/rules/cloudflare.go

@@ -0,0 +1,76 @@
+package rules
+
+import (
+	"github.com/zricethezav/gitleaks/v8/config"
+)
+
+var global_keys = []string{
+	`cloudflare_global_api_key = "d3d1443e0adc9c24564c6c5676d679d47e2ca"`, // gitleaks:allow
+	`CLOUDFLARE_GLOBAL_API_KEY: 674538c7ecac77d064958a04a83d9e9db068c`,    // gitleaks:allow
+	`cloudflare: "0574b9f43978174cc2cb9a1068681225433c4"`,                 // gitleaks:allow
+}
+
+var api_keys = []string{
+	`cloudflare_api_key = "Bu0rrK-lerk6y0Suqo1qSqlDDajOk61wZchCkje4"`, // gitleaks:allow
+	`CLOUDFLARE_API_KEY: 5oK0U90ME14yU6CVxV90crvfqVlNH2wRKBwcLWDc`,    // gitleaks:allow
+	`cloudflare: "oj9Yoyq0zmOyWmPPob1aoY5YSNNuJ0fbZSOURBlX"`,          // gitleaks:allow
+}
+
+var origin_ca_keys = []string{
+	`CLOUDFLARE_ORIGIN_CA: v1.0-aaa334dc886f30631ba0a610-0d98ef66290d7e50aac7c27b5986c99e6f3f1084c881d8ac0eae5de1d1aa0644076ff57022069b3237d19afe60ad045f207ef2b16387ee37b749441b2ae2e9ebe5b4606e846475d4a5`,
+	`CLOUDFLARE_ORIGIN_CA: v1.0-15d20c7fccb4234ac5cdd756-d5c2630d1b606535cf9320ae7456b090e0896cec64169a92fae4e931ab0f72f111b2e4ffed5b2bb40f6fba6b2214df23b188a23693d59ce3fb0d28f7e89a2206d98271b002dac695ed`,
+}
+
+var identifiers = []string{"cloudflare"}
+
+func CloudflareGlobalAPIKey() *config.Rule {
+	// define rule
+	r := config.Rule{
+		Description: "Detected a Cloudflare Global API Key, potentially compromising cloud application deployments and operational security.",
+		RuleID:      "cloudflare-global-api-key",
+		Regex:       generateSemiGenericRegex(identifiers, hex("37"), true),
+
+		Keywords: identifiers,
+	}
+
+	// validate
+	tps := global_keys
+	fps := append(api_keys, origin_ca_keys...)
+
+	return validate(r, tps, fps)
+}
+
+func CloudflareAPIKey() *config.Rule {
+	// define rule
+	r := config.Rule{
+		Description: "Detected a Cloudflare API Key, potentially compromising cloud application deployments and operational security.",
+		RuleID:      "cloudflare-api-key",
+		Regex:       generateSemiGenericRegex(identifiers, alphaNumericExtendedShort("40"), true),
+
+		Keywords: identifiers,
+	}
+
+	// validate
+	tps := api_keys
+	fps := append(global_keys, origin_ca_keys...)
+
+	return validate(r, tps, fps)
+}
+
+func CloudflareOriginCAKey() *config.Rule {
+	ca_identifiers := append(identifiers, "v1.0-")
+	// define rule
+	r := config.Rule{
+		Description: "Detected a Cloudflare Origin CA Key, potentially compromising cloud application deployments and operational security.",
+		RuleID:      "cloudflare-origin-ca-key",
+		Regex:       generateUniqueTokenRegex(`v1\.0-`+hex("24")+"-"+hex("146"), false),
+
+		Keywords: ca_identifiers,
+	}
+
+	// validate
+	tps := origin_ca_keys
+	fps := append(global_keys, api_keys...)
+
+	return validate(r, tps, fps)
+}

cmd/generate/config/rules/heroku.go

@@ -17,6 +17,7 @@ func Heroku() *config.Rule {
 	// validate
 	tps := []string{
 		`const HEROKU_KEY = "12345678-ABCD-ABCD-ABCD-1234567890AB"`, // gitleaks:allow
+		`heroku_api_key = "832d2129-a846-4e27-99f4-7004b6ad53ef"`,   // gitleaks:allow
 	}
 	return validate(r, tps, nil)
 }

config/gitleaks.toml

@@ -184,6 +184,30 @@ keywords = [
     "clojars",
 ]
 
+[[rules]]
+id = "cloudflare-api-key"
+description = "Detected a Cloudflare API Key, potentially compromising cloud application deployments and operational security."
+regex = '''(?i)(?:cloudflare)(?:[0-9a-z\-_\t .]{0,20})(?:[\s'"\\]){0,3}(?:=|>|:{1,3}=|\|\|:|<=|=>|:|\?=)(?:['\"\\\s=\x60]){0,5}([a-z0-9_-]{40})(?:['\"\\\n\r\s\x60;<]|$)'''
+keywords = [
+    "cloudflare",
+]
+
+[[rules]]
+id = "cloudflare-global-api-key"
+description = "Detected a Cloudflare Global API Key, potentially compromising cloud application deployments and operational security."
+regex = '''(?i)(?:cloudflare)(?:[0-9a-z\-_\t .]{0,20})(?:[\s'"\\]){0,3}(?:=|>|:{1,3}=|\|\|:|<=|=>|:|\?=)(?:['\"\\\s=\x60]){0,5}([a-f0-9]{37})(?:['\"\\\n\r\s\x60;<]|$)'''
+keywords = [
+    "cloudflare",
+]
+
+[[rules]]
+id = "cloudflare-origin-ca-key"
+description = "Detected a Cloudflare Origin CA Key, potentially compromising cloud application deployments and operational security."
+regex = '''\b(v1\.0-[a-f0-9]{24}-[a-f0-9]{146})(?:['\"\\\n\r\s\x60;<]|$)'''
+keywords = [
+    "cloudflare","v1.0-",
+]
+
 [[rules]]
 id = "codecov-access-token"
 description = "Found a pattern resembling a Codecov Access Token, posing a risk of unauthorized access to code coverage reports and sensitive data."