*/
#define GNUNET_REST_API_NS_AUTHORIZE "/idp/authorize"
-
/**
* Attribute key
*/
*/
#define ID_REST_STATE_POST_INIT 1
+/**
+ * OIDC response_type key
+ */
+#define OIDC_RESPONSE_TYPE_KEY "response_type"
+
+/**
+ * OIDC client_id key
+ */
+#define OIDC_CLIENT_ID_KEY "client_id"
+
+/**
+ * OIDC scope key
+ */
+#define OIDC_SCOPE_KEY "scope"
+
+/**
+ * OIDC redirect_uri key
+ */
+#define OIDC_REDIRECT_URI_KEY "redirect_uri"
+
+/**
+ * OIDC state key
+ */
+#define OIDC_STATE_KEY "state"
+
+/**
+ * OIDC nonce key
+ */
+#define OIDC_NONCE_KEY "nonce"
+
+/**
+ * OIDC expected response_type while authorizing
+ */
+#define OIDC_EXPECTED_AUTHORIZATION_RESPONSE_TYPE "code"
+
+/**
+ * OIDC expected scope part while authorizing
+ */
+#define OIDC_EXPECTED_AUTHORIZATION_SCOPE "openid"
+
+
+/**
+ * OIDC ignored parameter array
+ */
+char* OIDC_ignored_parameter_array [] =
+{
+ "display", "prompt", "max_age", "ui_locales", "response_mode",
+ "id_token_hint", "login_hint", "acr_values"
+};
/**
* The configuration handle
const char* url,
void *cls)
{
+ struct MHD_Response *resp;
+ struct RequestHandle *handle = cls;
+ char *response_type, *client_id, *scope, *redirect_uri, *state, *nonce;
//TODO clean up method
+ /** The Authorization Server MUST validate all the OAuth 2.0 parameters
+ * according to the OAuth 2.0 specification.
+ */
+ /** The Authorization Server MUST verify that all the REQUIRED parameters
+ * are present and their usage conforms to this specification.
+ */
+ /**
+ * If the sub (subject) Claim is requested with a specific value for the
+ * ID Token, the Authorization Server MUST only send a positive response
+ * if the End-User identified by that sub value has an active session with
+ * the Authorization Server or has been Authenticated as a result of the
+ * request. The Authorization Server MUST NOT reply with an ID Token or
+ * Access Token for a different user, even if they have an active session
+ * with the Authorization Server. Such a request can be made either using
+ * an id_token_hint parameter or by requesting a specific Claim Value as
+ * described in Section 5.5.1, if the claims parameter is supported by
+ * the implementation.
+ */
- // The Authorization Server MUST validate all the OAuth 2.0 parameters according to the OAuth 2.0 specification.
- // The Authorization Server MUST verify that all the REQUIRED parameters are present and their usage conforms to this specification.
- // If the sub (subject) Claim is requested with a specific value for the ID Token, the Authorization Server MUST only send a positive response if the End-User identified by that sub value has an active session with the Authorization Server or has been Authenticated as a result of the request. The Authorization Server MUST NOT reply with an ID Token or Access Token for a different user, even if they have an active session with the Authorization Server. Such a request can be made either using an id_token_hint parameter or by requesting a specific Claim Value as described in Section 5.5.1, if the claims parameter is supported by the implementation.
+ int size=sizeof(OIDC_ignored_parameter_array)/sizeof(char *);
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Size %i = 8\n", size);
- struct MHD_Response *resp;
- struct RequestHandle *handle = cls;
+ struct GNUNET_HashCode cache_key;
- /*
- * response_type 0
- * client_id 1
- * scope 2
- * redirect_uri 3
- * state 4
- * nonce 5
- * display 6
- * prompt 7
- * max_age 8
- * ui_locales 9
- * response_mode 10
- * id_token_hint 11
- * login_hint 12
- * acr_values 13
- */
- char* array[] = { "response_type", "client_id", "scope", "redirect_uri",
- "state", "nonce", "display", "prompt", "max_age", "ui_locales",
- "response_mode", "id_token_hint","login_hint", "acr_values" };
- int array_size=14;
- int bool_array[array_size];
+ GNUNET_CRYPTO_hash (OIDC_RESPONSE_TYPE_KEY, strlen (OIDC_RESPONSE_TYPE_KEY),
+ &cache_key);
+ if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &cache_key))
+ {
+ //TODO error
- struct GNUNET_HashCode cache_key;
+ }
+ response_type = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
+ &cache_key);
- //iterates over each parameter and store used values in array array[]
- int iterator;
- for( iterator = 0; iterator<array_size; iterator++){
- GNUNET_CRYPTO_hash (array[iterator], strlen (array[iterator]), &cache_key);
- char* cache=GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map, &cache_key);
- bool_array[iterator]=0;
- if(cache!=0){
- size_t size=strlen(cache)+1;
- array[iterator]=(char*)malloc(size*sizeof(char));
- strncpy(array[iterator],cache,size);
- bool_array[iterator]=1;
- }
+
+ GNUNET_CRYPTO_hash (OIDC_CLIENT_ID_KEY, strlen (OIDC_CLIENT_ID_KEY),
+ &cache_key);
+ if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &cache_key))
+ {
+ //TODO error
}
+ client_id = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
+ &cache_key);
- /* MUST validate all the OAuth 2.0 parameters & that all the
- * REQUIRED parameters are present and their usage conforms to this specification
- */
- GNUNET_CRYPTO_hash (OIDC_RESPONSE_TYPE_KEY, strlen (array[iterator]), &cache_key);
+
+ GNUNET_CRYPTO_hash (OIDC_SCOPE_KEY, strlen (OIDC_SCOPE_KEY), &cache_key);
if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
- &key))
+ &cache_key))
{
- handle->emsg=GNUNET_strdup("invalid_request");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
+ //TODO error
}
- response_type = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
- &key);
+ scope = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
+ &cache_key);
- //required values: response_type, client_id, scope, redirect_uri
- if(!bool_array[0] || !bool_array[1] || !bool_array[2] || !bool_array[3]){
- handle->emsg=GNUNET_strdup("invalid_request");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
+ GNUNET_CRYPTO_hash (OIDC_REDIRECT_URI_KEY, strlen (OIDC_REDIRECT_URI_KEY),
+ &cache_key);
+ if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &cache_key))
+ {
+ //TODO error
+ }
+ redirect_uri = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
+ &cache_key);
+
+ GNUNET_CRYPTO_hash (OIDC_STATE_KEY, strlen (OIDC_STATE_KEY), &cache_key);
+ if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &cache_key))
+ {
+ //TODO error
+ }
+ state = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
+ &cache_key);
+
+ GNUNET_CRYPTO_hash (OIDC_NONCE_KEY, strlen (OIDC_NONCE_KEY), &cache_key);
+ if (GNUNET_NO == GNUNET_CONTAINER_multihashmap_contains (handle->rest_handle->url_param_map,
+ &cache_key))
+ {
+ //TODO error
}
+ nonce = GNUNET_CONTAINER_multihashmap_get(handle->rest_handle->url_param_map,
+ &cache_key);
+
+ int iterator;
+ for( iterator = 0; iterator < size; iterator++ )
+ {
+ GNUNET_CRYPTO_hash (OIDC_ignored_parameter_array[iterator],
+ strlen(OIDC_ignored_parameter_array[iterator]),
+ &cache_key);
+ if(GNUNET_YES == GNUNET_CONTAINER_multihashmap_contains(handle->rest_handle->url_param_map,
+ &cache_key))
+ {
+ //TODO error
+ }
+ }
+
+
//response_type = code
- if(strcmp(array[0],"code")!=0){
- handle->emsg=GNUNET_strdup("invalid_response_type");
- handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
- GNUNET_SCHEDULER_add_now (&do_error, handle);
- return;
+ if( strcmp( response_type, OIDC_EXPECTED_AUTHORIZATION_RESPONSE_TYPE ) != 0 )
+ {
+ //TODO error
}
//scope contains openid
- if(strstr(array[2],"openid")==NULL){
+ if( strstr( scope, OIDC_EXPECTED_AUTHORIZATION_SCOPE ) == NULL )
+ {
handle->emsg=GNUNET_strdup("invalid_scope");
handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
GNUNET_SCHEDULER_add_now (&do_error, handle);
//TODO check other values and use them accordingly
- char* redirect_url_to_login;
+ char* login_base_url;
// if(){
//
if (GNUNET_OK == GNUNET_CONFIGURATION_get_value_string (cfg,
"identity-rest-plugin",
"address",
- &redirect_url_to_login)){
-
- char* build_array[] = { "response_type", "client_id", "scope", "redirect_uri",
- "state", "nonce", "display", "prompt", "max_age", "ui_locales",
- "response_mode", "id_token_hint","login_hint", "acr_values" };
- GNUNET_asprintf (new_redirect, "%s=%s&...",
+ &login_base_url))
+ {
+ char* new_redirect;
+ GNUNET_asprintf (&new_redirect, "%s?%s=%s&%s=%s&%s=%s&%s=%s&%s=%s&%s=%s",
+ login_base_url,
+ OIDC_RESPONSE_TYPE_KEY, response_type,
+ OIDC_CLIENT_ID_KEY, client_id,
OIDC_REDIRECT_URI_KEY, redirect_uri,
- OIDC_CLIENT_ID_KEY, client_id,
- ...);
- size_t redirect_parameter_size= strlen("?");
- for(iterator=0;iterator<array_size;iterator++){
- if(bool_array[iterator]){
- redirect_parameter_size += strlen(array[iterator]);
- redirect_parameter_size += strlen(build_array[iterator]);
- if(iterator==array_size-1)
- {
- redirect_parameter_size += strlen("=");
- }else{
- redirect_parameter_size += strlen("=&");
- }
- }
- }
-
- char redirect_parameter[redirect_parameter_size+1];
- redirect_parameter_size = 0;
- redirect_parameter[redirect_parameter_size]='?';
- for(iterator=0;iterator<array_size;iterator++){
- if(bool_array[iterator]){
- //If not last parameter
- if(iterator!=array_size-1)
- {
- char cache[strlen(array[iterator])+strlen(build_array[iterator])+2+1];
- snprintf(cache,sizeof(cache),"%s=%s&", build_array[iterator], array[iterator]);
- strncat(redirect_parameter, cache, strlen(array[iterator])+strlen(build_array[iterator])+2 );
- }else{
- char cache[strlen(array[iterator])+strlen(build_array[iterator])+1+1];
- snprintf(cache,sizeof(cache),"%s=%s", build_array[iterator], array[iterator]);
- strncat(redirect_parameter, cache, strlen(array[iterator])+strlen(build_array[iterator])+1 );
- }
- }
- }
- char redirect_component[strlen(redirect_url_to_login)+strlen(redirect_parameter)+1];
- snprintf(redirect_component, sizeof(redirect_component), "%s%s", redirect_url_to_login, redirect_parameter);
+ OIDC_SCOPE_KEY, scope,
+ OIDC_STATE_KEY, state,
+ OIDC_NONCE_KEY, nonce
+ );
resp = GNUNET_REST_create_response ("");
- MHD_add_response_header (resp, "Location", redirect_component);
+ MHD_add_response_header (resp, "Location", new_redirect);
}else{
handle->emsg=GNUNET_strdup("No server on localhost:8000");
handle->response_code = MHD_HTTP_INTERNAL_SERVER_ERROR;
GNUNET_SCHEDULER_add_now (&do_error, handle);
return;
- // resp = GNUNET_REST_create_response ("");
- // MHD_add_response_header (resp, "Location", array[3]);
}
handle->proc (handle->proc_cls, resp, MHD_HTTP_FOUND);
cleanup_handle (handle);
- for(iterator=0; iterator<array_size; iterator++){
- if(bool_array[iterator]){
- free(array[iterator]);
- }
- }
return;
}