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rest.c
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/*
** Copyright 2018 The Earlham Institute
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
/*
* rest.c
*
* Created on: 2 Oct 2016
* Author: billy
*/
#include <stdlib.h>
#include <string.h>
#define ALLOCATE_REST_CONSTANTS (1)
#include "rest.h"
#include "apr_escape.h"
#include "apr_tables.h"
#include "apr_strings.h"
#include "util_script.h"
#include "http_protocol.h"
#include "jansson.h"
#include "meta.h"
#include "auth.h"
#include "common.h"
#include "listing.h"
#include "repo.h"
#include "theme.h"
#include "debug.h"
#include "irods/mvUtil.h"
#include "mod_upload.h"
struct APICall;
typedef struct APICall
{
const char *ac_action_s;
int (*ac_callback_fn) (const struct APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
} APICall;
/*
* STATIC DECLARATIONS
*/
static int SearchMetadata (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int GetMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int AddMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int EditMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int DeleteMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int GetMatchingMetadataKeys (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int GetMatchingMetadataValues (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int GetInformationForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int ListInformationForEntries (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int UploadFile (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static const char *GetIdParameter (apr_table_t *params_p, request_rec *req_p, rcComm_t *rods_connection_p, apr_pool_t *pool_p);
static apr_status_t EasyModifyMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s, const char *command_s);
static apr_status_t ModifyMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s, const char *command_s, const char *new_key_s, const char *new_value_s, const char *new_units_s);
static char *GetModValue (apr_table_t *params_p, const char *param_key_s, const char *value_prefix_s, const char *old_key_s, apr_pool_t *pool_p);
static apr_status_t AddDecodedJSONResponse (const APICall *call_p, apr_status_t status, const char *id_s, request_rec *req_p);
static OutputFormat GetRequestedOutputFormat (apr_table_t *params_p, apr_pool_t *pool_p, OutputFormat default_format);
static apr_status_t RunMetadataQuery (const int *where_columns_p, const char **where_values_ss, const SearchOperator *ops_p, const size_t num_where_columns, const int *select_columns_p, json_t *res_array_p, request_rec *req_p, davrods_dir_conf_t *config_p);
static bool GetSearchParameters (const char **key_ss, const char **value_ss, SearchOperator *op_p, apr_table_t *params_p, request_rec *req_p);
static int GetVirtualListingAsHTML (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static int GetSearchMetadataAsHTML (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s);
static const char *GetFullPath (const char *path_s, request_rec *req_p, apr_pool_t *pool_p);
static void SetMimeTypeForOutputFormat (request_rec *req_p, const OutputFormat fmt);
/*
* STATIC VARIABLES
*/
static APICall S_REST_API_ACTIONS_P [] =
{
{ REST_METADATA_SEARCH_S, SearchMetadata },
{ REST_METADATA_GET_S, GetMetadataForEntry },
{ REST_METADATA_ADD_S, AddMetadataForEntry },
{ REST_METADATA_DELETE_S, DeleteMetadataForEntry },
{ REST_METADATA_EDIT_S, EditMetadataForEntry },
{ REST_METADATA_MATCHING_KEYS_S, GetMatchingMetadataKeys },
{ REST_METADATA_MATCHING_VALUES_S, GetMatchingMetadataValues },
{ REST_GET_INFO_S, GetInformationForEntry },
{ REST_LIST_S, ListInformationForEntries },
{ REST_UPLOAD_S, UploadFile },
{ NULL, NULL }
};
static APICall S_VIEW_ACTIONS_P [] =
{
{ VIEW_LIST_S, GetVirtualListingAsHTML },
{ VIEW_SEARCH_S, GetSearchMetadataAsHTML },
{ NULL, NULL }
};
static const char * const S_HANDLER_NAME_S = "davrods-rest-handler";
static const char * const S_HANDLER_SET_VALUE_S = "true";
/*
* API DEFINITIONS
*/
int EIRodsDavFixUps (request_rec *req_p)
{
int res = DECLINED;
/* First off, we need to check if this is a call for the "example-handler" handler.
* If it is, we accept it and do our things, if not, we simply return DECLINED,
* and the server will try somewhere else.
*/
const char *handler_s = req_p -> handler;
if (handler_s && (strcmp (handler_s, S_HANDLER_NAME_S) == 0))
{
if (req_p -> path_info)
{
davrods_dir_conf_t *config_p = ap_get_module_config (req_p -> per_dir_config, &davrods_module);
if (config_p -> davrods_api_path_s)
{
const size_t api_path_length = strlen (config_p -> davrods_api_path_s);
if (strncmp (config_p -> davrods_api_path_s, req_p -> path_info, api_path_length) == 0)
{
apr_table_set (req_p -> notes, handler_s, S_HANDLER_SET_VALUE_S);
res = OK;
}
}
if (res != OK)
{
if (config_p -> eirods_dav_views_path_s)
{
const size_t views_path_length = strlen (config_p -> eirods_dav_views_path_s);
if (strncmp (config_p -> eirods_dav_views_path_s, req_p -> path_info, views_path_length) == 0)
{
apr_table_set (req_p -> notes, handler_s, S_HANDLER_SET_VALUE_S);
res = OK;
}
}
}
}
}
return res;
}
int EIRodsDavAPIHandler (request_rec *req_p)
{
int res = DECLINED;
/* First off, we need to check if this is a call for the "example-handler" handler.
* If it is, we accept it and do our things, if not, we simply return DECLINED,
* and the server will try somewhere else.
*/
const char *handler_s = req_p -> handler;
if (handler_s)
{
bool handle_flag = (strcmp (handler_s, "davrods-rest-handler") == 0);
if (!handle_flag)
{
/*
* The DAV handler claims any request for itself by setting the handler to
* "dav-handler" even when it shouldn't
*
*/
if (strcmp (handler_s, "dav-handler") == 0)
{
const char *value_s = apr_table_get (req_p -> notes, S_HANDLER_NAME_S);
if (value_s && (strcmp (value_s, S_HANDLER_SET_VALUE_S) == 0))
{
req_p -> handler = S_HANDLER_NAME_S;
handle_flag = true;
}
}
}
if (handle_flag)
{
bool processed_flag = false;
apr_table_t *params_p = NULL;
davrods_dir_conf_t *config_p = ap_get_module_config (req_p -> per_dir_config, &davrods_module);
/*
* Normally we would check if this is a call for the ei-rods-dav rest handler,
* but dav-handler will have gotten there first. So check it against our path
* and see if we are interested in it.
* If it is, we accept it and do our things, it not, we simply return DECLINED,
* and Apache will try somewhere else.
*/
if (req_p -> method_number == M_GET)
{
ap_args_to_table (req_p, ¶ms_p);
processed_flag = true;
}
else if (req_p -> method_number == M_POST)
{
apr_array_header_t *key_value_pairs_p = NULL;
int local_res = ap_parse_form_data (req_p, NULL, &key_value_pairs_p, -1, HUGE_STRING_LEN);
if ((local_res == OK) && (key_value_pairs_p))
{
apr_pool_t *pool_p = req_p -> pool;
params_p = apr_table_make (pool_p, 1);
if (params_p)
{
while (key_value_pairs_p && !apr_is_empty_array (key_value_pairs_p))
{
ap_form_pair_t *pair_p = (ap_form_pair_t *) apr_array_pop (key_value_pairs_p);
apr_size_t size;
apr_off_t length;
char *value_s = NULL;
char *key_s = apr_pstrdup (req_p -> pool, pair_p -> name);
if (key_s)
{
/*
* Get the length of the value
*/
apr_brigade_length (pair_p -> value, 1, &length);
size = (apr_size_t) length;
value_s = apr_palloc (req_p -> pool, size + 1);
if (value_s)
{
apr_brigade_flatten (pair_p -> value, value_s, &size);
if (* (value_s + size) != '\0')
{
* (value_s + size) = '\0';
}
/*
* Since both the key and value have already been copied
* we can add them to the table directly rather than it
* storing copies of these values.
*/
apr_table_addn (params_p, key_s, value_s);
}
} /* if (key_s) */
} /* while (key_value_pairs_p && !apr_is_empty_array (key_value_pairs_p)) */
processed_flag = true;
} /* if (params_p) */
} /* if ((res == OK) && (key_value_pairs_p)) */
processed_flag = true;
}
if (processed_flag)
{
char *davrods_path_s = NULL;
processed_flag = false;
if (req_p -> path_info)
{
if (config_p -> davrods_api_path_s)
{
const size_t api_path_length = strlen (config_p -> davrods_api_path_s);
if (strncmp (config_p -> davrods_api_path_s, req_p -> path_info, api_path_length) == 0)
{
/*
* Parse the uri from req_p -> path_info to get the API call
*/
const APICall *call_p = S_REST_API_ACTIONS_P;
const char *path_s = (req_p -> path_info) + api_path_length;
/* Get the Location path where davrods is hosted */
const char *ptr = strstr (req_p -> uri, config_p -> davrods_api_path_s);
if (ptr)
{
davrods_path_s = apr_pstrmemdup (req_p -> pool, req_p -> uri, ptr - (req_p -> uri));
}
while ((call_p != NULL) && (call_p -> ac_action_s != NULL))
{
size_t l = strlen (call_p -> ac_action_s);
if (strncmp (path_s, call_p -> ac_action_s, l) == 0)
{
res = call_p -> ac_callback_fn (call_p, req_p, params_p, config_p, davrods_path_s);
if (res == OK)
{
ap_set_content_type (req_p, CONTENT_TYPE_JSON_S);
}
/* force exit from loop */
call_p = NULL;
}
else
{
++ call_p;
}
} /* while (call_p -> ac_action_s != NULL) */
processed_flag = true;
} /* if (strncmp (config_p -> davrods_api_path_s, req_p -> path_info, api_path_length) == 0) */
} /* if (config_p -> davrods_api_path_s) */
if (!processed_flag)
{
if (config_p -> eirods_dav_views_path_s)
{
const size_t views_path_length = strlen (config_p -> eirods_dav_views_path_s);
if (strncmp (config_p -> eirods_dav_views_path_s, req_p -> path_info, views_path_length) == 0)
{
const APICall *call_p = S_VIEW_ACTIONS_P;
const char *path_s = (req_p -> path_info) + views_path_length;
/* Get the Location path where davrods is hosted */
const char *ptr = strstr (req_p -> uri, config_p -> eirods_dav_views_path_s);
if (ptr)
{
davrods_path_s = apr_pstrmemdup (req_p -> pool, req_p -> uri, ptr - (req_p -> uri));
}
while ((call_p != NULL) && (call_p -> ac_action_s != NULL))
{
size_t l = strlen (call_p -> ac_action_s);
if (strncmp (path_s, call_p -> ac_action_s, l) == 0)
{
res = call_p -> ac_callback_fn (call_p, req_p, params_p, config_p, davrods_path_s);
if (res == OK)
{
ap_set_content_type (req_p, "text/html");
}
/* force exit from loop */
call_p = NULL;
}
else
{
++ call_p;
}
} /* while (call_p -> ac_action_s != NULL) */
} /* if (strncmp (config_p -> eirods_dav_views_path_s, req_p -> path_info, views_path_length) == 0) */
} /* if (config_p -> eirods_dav_views_path_s) */
} /* if (!processed_flag) */
} /* if (req_p -> path_info) */
if (!apr_is_empty_table (params_p))
{
apr_table_clear (params_p);
}
} /* if (processed_flag) */
} /* if handler_flag) */
} /* if (handler_s) */
return res;
}
const char *GetMinorId (const char *id_s)
{
const char *minor_id_s = NULL;
if (id_s)
{
const char *value_s = strchr (id_s, '.');
if (value_s)
{
++ value_s;
if (*value_s != '\0')
{
minor_id_s = value_s;
}
}
}
return minor_id_s;
}
IRodsObjectNode *GetMatchingIds (request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p)
{
apr_pool_t *pool_p = req_p -> pool;
IRodsObjectNode *root_node_p = NULL;
rcComm_t *rods_connection_p = GetIRODSConnectionForAPI (req_p, config_p);
if (rods_connection_p)
{
const char * const ids_s = GetParameterValue (params_p, "ids", pool_p);
if (ids_s)
{
char *copied_ids_s = apr_pstrdup (pool_p, ids_s);
if (copied_ids_s)
{
const char *sep_s = " ,";
char *id_s = apr_strtok (copied_ids_s, sep_s, &copied_ids_s);
IRodsObjectNode *current_node_p = NULL;
while (id_s)
{
IRodsObjectNode *node_p = GetIRodsObjectNodeForId (id_s, rods_connection_p, pool_p);
if (node_p)
{
if (current_node_p)
{
current_node_p -> ion_next_p = node_p;
}
else
{
root_node_p = node_p;
}
current_node_p = node_p;
}
id_s = apr_strtok (NULL, sep_s, &copied_ids_s);
} /* while (id_s) */
} /* if (copied_ids_s) */
} /* if (ids_s) */
} /* if (rods_connection_p) */
if (root_node_p)
{
SortIRodsObjectNodeListIntoDirectoryOrder (root_node_p);
}
return root_node_p;
}
static int GetVirtualListingAsHTML (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = DECLINED;
rcComm_t *rods_connection_p = GetIRODSConnectionForAPI (req_p, config_p);
if (rods_connection_p)
{
IRodsObjectNode *root_node_p = GetMatchingIds (req_p, params_p, config_p);
apr_pool_t *pool_p = req_p -> pool;
char *result_s = NULL;
apr_size_t result_length = 0;
apr_bucket_brigade *bucket_brigade_p = apr_brigade_create (pool_p, req_p -> connection -> bucket_alloc);
char *relative_uri_s = apr_pstrcat (pool_p, "the matching values", NULL);
char *marked_up_relative_uri_s = apr_pstrcat (pool_p, "the matching values for the listing", NULL);
const char *escaped_zone_s = config_p -> theme_p -> ht_zone_label_s ? config_p -> theme_p -> ht_zone_label_s : ap_escape_html (pool_p, config_p -> rods_zone);
apr_status_t apr_status = PrintAllHTMLBeforeListing (NULL, escaped_zone_s, relative_uri_s, davrods_path_s, marked_up_relative_uri_s, NULL, rods_connection_p -> clientUser.userName, config_p, req_p, bucket_brigade_p, pool_p);
char *metadata_root_link_s = apr_pstrcat (pool_p, davrods_path_s, config_p -> davrods_api_path_s, REST_METADATA_SEARCH_S, NULL);
const char *exposed_root_s = GetRodsExposedPath (req_p);
IRodsConfig irods_config;
apr_status = SetIRodsConfig (&irods_config, exposed_root_s, davrods_path_s, metadata_root_link_s);
if (root_node_p)
{
IRodsObjectNode *node_p = root_node_p;
unsigned int i;
while (node_p && (apr_status == APR_SUCCESS))
{
apr_status = PrintItem (config_p -> theme_p, node_p -> ion_object_p, &irods_config, i, bucket_brigade_p, pool_p, rods_connection_p, req_p);
node_p = node_p -> ion_next_p;
++ i;
}
FreeIRodsObjectNodeList (root_node_p);
} /* if (root_node_p) */
apr_status = PrintAllHTMLAfterListing (rods_connection_p -> clientUser.userName, escaped_zone_s, davrods_path_s, config_p, NULL, rods_connection_p, req_p, bucket_brigade_p, pool_p);
CloseBucketsStream (bucket_brigade_p);
apr_status = apr_brigade_pflatten (bucket_brigade_p, &result_s, &result_length, pool_p);
if (result_s)
{
/*
* Sometimes there is garbage at the end of this, and I don't know which apr_brigade_...
* method I need to get the terminating '\0' so have to do it explicitly.
*/
if (* (result_s + result_length) != '\0')
{
* (result_s + result_length) = '\0';
}
apr_brigade_destroy (bucket_brigade_p);
ap_set_content_type (req_p, "text/html");
ap_rputs (result_s, req_p);
res = OK;
}
} /* if (rods_connection_p) */
return res;
}
static int GetSearchMetadataAsHTML (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = DECLINED;
const char *key_s = NULL;
const char *value_s = NULL;
SearchOperator op = SO_LIKE;
if (GetSearchParameters (&key_s, &value_s, &op, params_p, req_p))
{
rcComm_t *rods_connection_p = GetIRODSConnectionForAPI (req_p, config_p);
if (rods_connection_p)
{
char *res_s = DoMetadataSearch (key_s, value_s, op, rods_connection_p, config_p, req_p, davrods_path_s);
if (res_s)
{
ap_set_content_type (req_p, "text/html");
ap_rputs (res_s, req_p);
res = OK;
}
}
}
return res;
}
static bool GetSearchParameters (const char **key_ss, const char **value_ss, SearchOperator *op_p, apr_table_t *params_p, request_rec *req_p)
{
bool success_flag = false;
apr_pool_t *pool_p = req_p -> pool;
const char * const key_s = GetParameterValue (params_p, "key", pool_p);
if (key_s)
{
const char * const value_s = GetParameterValue (params_p, "value", pool_p);
if (value_s)
{
SearchOperator op = SO_LIKE;
const char *op_s = apr_table_get (params_p, "op");
*key_ss = key_s;
*value_ss = value_s;
if (op_s)
{
apr_status_t status = GetSearchOperatorFromString (op_s, &op);
if (status == APR_SUCCESS)
{
success_flag = true;
}
else
{
ap_log_rerror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, req_p, "error %d: Unknown operator \"%s\"", status, op_s);
}
}
else
{
success_flag = true;
}
if (success_flag)
{
*op_p = op;
}
}
}
return success_flag;
}
/*
* STATIC DEFINITIONS
*/
static int SearchMetadata (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = DECLINED;
apr_pool_t *pool_p = req_p -> pool;
const char *key_s = NULL;
const char *value_s = NULL;
SearchOperator op = SO_LIKE;
if (GetSearchParameters (&key_s, &value_s, &op, params_p, req_p))
{
rcComm_t *rods_connection_p = GetIRODSConnectionForAPI (req_p, config_p);
if (rods_connection_p)
{
IRodsObjectNode *node_p = GetMatchingMetadataHits (key_s, value_s, op, rods_connection_p, pool_p);
if (node_p)
{
IRodsConfig irods_config;
char *metadata_root_link_s = apr_pstrcat (pool_p, davrods_path_s, config_p -> eirods_dav_views_path_s, NULL);
const char *exposed_root_s = GetRodsExposedPath (req_p);
SetIRodsConfig (&irods_config, exposed_root_s, davrods_path_s, metadata_root_link_s);
PrintIRodsObjectNodesToJSON (node_p, &irods_config, req_p);
FreeIRodsObjectNodeList (node_p);
}
else
{
ap_rputs ("[]", req_p);
}
res = OK;
} /* if (rods_connection_p) */
}
return res;
}
static OutputFormat GetRequestedOutputFormat (apr_table_t *params_p, apr_pool_t *pool_p, OutputFormat default_format)
{
OutputFormat format = default_format;
const char * const format_s = GetParameterValue (params_p, "output_format", pool_p);
if (format_s)
{
if (strcmp (format_s, "json") == 0)
{
format = OF_JSON;
}
else if (strcmp (format_s, "html") == 0)
{
format = OF_HTML;
}
else if (strcmp (format_s, "tsv") == 0)
{
format = OF_TSV;
}
else if (strcmp (format_s, "csv") == 0)
{
format = OF_CSV;
}
}
return format;
}
static int ListInformationForEntries (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = DECLINED;
apr_pool_t *pool_p = req_p -> pool;
IRodsObjectNode *root_node_p = GetMatchingIds (req_p, params_p, config_p);
if (root_node_p)
{
IRodsConfig irods_config;
char *metadata_root_link_s = apr_pstrcat (pool_p, davrods_path_s, config_p -> eirods_dav_views_path_s, NULL);
const char *exposed_root_s = GetRodsExposedPath (req_p);
SetIRodsConfig (&irods_config, exposed_root_s, davrods_path_s, metadata_root_link_s);
PrintIRodsObjectNodesToJSON (root_node_p, &irods_config, req_p);
FreeIRodsObjectNodeList (root_node_p);
res = OK;
} /* if (root_node_p) */
else
{
ap_rputs ("[]", req_p);
}
return res;
}
static int GetInformationForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = DECLINED;
apr_pool_t *pool_p = req_p -> pool;
rcComm_t *rods_connection_p = GetIRODSConnectionForAPI (req_p, config_p);
if (rods_connection_p)
{
const char * const path_s = GetParameterValue (params_p, "path", pool_p);
if (path_s)
{
const char *full_path_s = GetFullPath (path_s, req_p, pool_p);
if (full_path_s)
{
rodsObjStat_t *stat_p = GetObjectStat (full_path_s, rods_connection_p, pool_p);
if (stat_p)
{
char *result_s = NULL;
json_t *obj_p = json_object ();
if (obj_p)
{
char *id_s = NULL;
const char *type_s = "";
switch (stat_p -> objType)
{
case DATA_OBJ_T:
type_s = "1.";
break;
case COLL_OBJ_T:
type_s = "2.";
break;
default:
break;
}
id_s = apr_pstrcat (pool_p, type_s, stat_p -> dataId, NULL);
if (id_s)
{
if (json_object_set_new (obj_p, "id", json_string (id_s)) == 0)
{
if (json_object_set_new (obj_p, "path", json_string (path_s)) == 0)
{
result_s = json_dumps (obj_p, JSON_INDENT (2));
if (result_s)
{
ap_rputs (result_s, req_p);
free (result_s);
}
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Failed to dump json for %s", full_path_s);
}
res = OK;
}
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Failed to add \"path\": \"%s\" to json object for %s", path_s, full_path_s);
}
}
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Failed to add \"id\": \"%s\" to json object for %s", id_s, full_path_s);
}
}
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Failed to create id string from \"%s\" and \"%s\" for %s", type_s, stat_p -> dataId, full_path_s);
}
} /* if (obj_p) */
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Failed to create JSON object for %s", full_path_s);
}
freeRodsObjStat (stat_p);
} /* if (stat_p) */
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Failed to stat full path for \"%s\"", full_path_s);
}
} /* if (full_path_s) */
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Failed to get full path for \"%s\"", path_s);
}
} /* if (path_s) */
else
{
ap_log_perror (__FILE__, __LINE__, APLOG_MODULE_INDEX, APLOG_ERR, APR_BADARG, pool_p, "Missing path variable for %s", req_p -> uri);
}
}
return res;
}
static int GetMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = DECLINED;
apr_pool_t *pool_p = req_p -> pool;
apr_bucket_brigade *bucket_brigade_p = apr_brigade_create (pool_p, req_p -> connection -> bucket_alloc);
if (bucket_brigade_p)
{
rcComm_t *rods_connection_p = GetIRODSConnectionForAPI (req_p, config_p);
if (rods_connection_p)
{
const char * const id_s = GetIdParameter (params_p, req_p, rods_connection_p, pool_p);
if (id_s)
{
OutputFormat format = GetRequestedOutputFormat (params_p, pool_p, OF_JSON);
int editable_flag = GetEditableFlag (config_p -> theme_p, params_p, pool_p);
apr_status_t status = GetMetadataTableForId ((char *) id_s, config_p, rods_connection_p, req_p, pool_p, bucket_brigade_p, format, editable_flag);
if (status == APR_SUCCESS)
{
apr_size_t len = 0;
char *result_s = NULL;
CloseBucketsStream (bucket_brigade_p);
apr_status_t apr_status = apr_brigade_pflatten (bucket_brigade_p, &result_s, &len, pool_p);
if (apr_status == APR_SUCCESS)
{
/*
* Sometimes there is garbage at the end of this, and I don't know which apr_brigade_...
* method I need to get the terminating '\0' so have to do it explicitly.
*/
if (* (result_s + len) != '\0')
{
* (result_s + len) = '\0';
}
if (result_s)
{
ap_rputs (result_s, req_p);
}
SetMimeTypeForOutputFormat (req_p, format);
res = OK;
}
}
}
apr_brigade_destroy (bucket_brigade_p);
}
}
return res;
}
static int DeleteMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = HTTP_INTERNAL_SERVER_ERROR;
apr_status_t status = EasyModifyMetadataForEntry (call_p, req_p, params_p, config_p, davrods_path_s, "rm");
if (status == APR_SUCCESS)
{
res = OK;
}
return res;
}
static int AddMetadataForEntry (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
return EasyModifyMetadataForEntry (call_p, req_p, params_p, config_p, davrods_path_s, "add");
}
static int UploadFile (const APICall *call_p, request_rec *req_p, apr_table_t *params_p, davrods_dir_conf_t *config_p, const char *davrods_path_s)
{
int res = APR_SUCCESS;