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php_phongo.c
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/*
* Copyright 2014-2017 MongoDB, Inc.
*
* 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.
*/
/* External libs */
#include "bson/bson.h"
#include "mongoc/mongoc.h"
/* PHP Core stuff */
#include <php.h>
#include <php_ini.h>
#include <ext/standard/info.h>
#include <ext/standard/file.h>
#include <Zend/zend_hash.h>
#include <Zend/zend_interfaces.h>
#include <Zend/zend_exceptions.h>
#include <ext/spl/spl_iterators.h>
#include <ext/spl/spl_exceptions.h>
#include <ext/standard/php_var.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <Zend/zend_smart_str.h>
#ifdef MONGOC_ENABLE_CLIENT_SIDE_ENCRYPTION
#include <mongocrypt/mongocrypt.h>
#endif
/* getpid() */
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef PHP_WIN32
#include <process.h>
#endif
/* Stream wrapper */
#include <main/php_streams.h>
#include <main/php_network.h>
/* Debug log writing */
#include <main/php_open_temporary_file.h>
/* For formating timestamp in the log */
#include <ext/date/php_date.h>
/* String manipulation */
#include <Zend/zend_string.h>
/* PHP array helpers */
#include "php_array_api.h"
/* Our Compatability header */
#include "phongo_compat.h"
/* Our stuffz */
#include "php_phongo.h"
#include "php_bson.h"
#include "src/BSON/functions.h"
#include "src/MongoDB/Monitoring/functions.h"
#undef MONGOC_LOG_DOMAIN
#define MONGOC_LOG_DOMAIN "PHONGO"
#define PHONGO_DEBUG_INI "mongodb.debug"
#define PHONGO_DEBUG_INI_DEFAULT ""
ZEND_DECLARE_MODULE_GLOBALS(mongodb)
#if defined(ZTS) && defined(COMPILE_DL_MONGODB)
ZEND_TSRMLS_CACHE_DEFINE();
#endif
/* Declare zend_class_entry dependencies, which are initialized in MINIT */
zend_class_entry* php_phongo_date_immutable_ce;
zend_class_entry* php_phongo_json_serializable_ce;
php_phongo_server_description_type_map_t
php_phongo_server_description_type_map[PHONGO_SERVER_DESCRIPTION_TYPES] = {
{ PHONGO_SERVER_UNKNOWN, "Unknown" },
{ PHONGO_SERVER_STANDALONE, "Standalone" },
{ PHONGO_SERVER_MONGOS, "Mongos" },
{ PHONGO_SERVER_POSSIBLE_PRIMARY, "PossiblePrimary" },
{ PHONGO_SERVER_RS_PRIMARY, "RSPrimary" },
{ PHONGO_SERVER_RS_SECONDARY, "RSSecondary" },
{ PHONGO_SERVER_RS_ARBITER, "RSArbiter" },
{ PHONGO_SERVER_RS_OTHER, "RSOther" },
{ PHONGO_SERVER_RS_GHOST, "RSGhost" },
};
/* {{{ phongo_std_object_handlers */
zend_object_handlers phongo_std_object_handlers;
zend_object_handlers* phongo_get_std_object_handlers(void)
{
return &phongo_std_object_handlers;
}
/* }}} */
/* Forward declarations */
static bool phongo_split_namespace(const char* namespace, char** dbname, char** cname);
/* {{{ Error reporting and logging */
zend_class_entry* phongo_exception_from_phongo_domain(php_phongo_error_domain_t domain)
{
switch (domain) {
case PHONGO_ERROR_INVALID_ARGUMENT:
return php_phongo_invalidargumentexception_ce;
case PHONGO_ERROR_LOGIC:
return php_phongo_logicexception_ce;
case PHONGO_ERROR_RUNTIME:
return php_phongo_runtimeexception_ce;
case PHONGO_ERROR_UNEXPECTED_VALUE:
return php_phongo_unexpectedvalueexception_ce;
case PHONGO_ERROR_MONGOC_FAILED:
return php_phongo_runtimeexception_ce;
case PHONGO_ERROR_CONNECTION_FAILED:
return php_phongo_connectionexception_ce;
}
MONGOC_ERROR("Resolving unknown phongo error domain: %d", domain);
return php_phongo_runtimeexception_ce;
}
zend_class_entry* phongo_exception_from_mongoc_domain(mongoc_error_domain_t domain, mongoc_error_code_t code)
{
if (domain == MONGOC_ERROR_CLIENT) {
if (code == MONGOC_ERROR_CLIENT_AUTHENTICATE) {
return php_phongo_authenticationexception_ce;
}
if (code == MONGOC_ERROR_CLIENT_INVALID_ENCRYPTION_ARG) {
return php_phongo_invalidargumentexception_ce;
}
}
if (domain == MONGOC_ERROR_COMMAND && code == MONGOC_ERROR_COMMAND_INVALID_ARG) {
return php_phongo_invalidargumentexception_ce;
}
if (domain == MONGOC_ERROR_SERVER) {
if (code == PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT) {
return php_phongo_executiontimeoutexception_ce;
}
return php_phongo_serverexception_ce;
}
if (domain == MONGOC_ERROR_SERVER_SELECTION && code == MONGOC_ERROR_SERVER_SELECTION_FAILURE) {
return php_phongo_connectiontimeoutexception_ce;
}
if (domain == MONGOC_ERROR_STREAM) {
if (code == MONGOC_ERROR_STREAM_SOCKET) {
return php_phongo_connectiontimeoutexception_ce;
}
return php_phongo_connectionexception_ce;
}
if (domain == MONGOC_ERROR_WRITE_CONCERN) {
return php_phongo_serverexception_ce;
}
if (domain == MONGOC_ERROR_PROTOCOL && code == MONGOC_ERROR_PROTOCOL_BAD_WIRE_VERSION) {
return php_phongo_connectionexception_ce;
}
if (domain == MONGOC_ERROR_CLIENT_SIDE_ENCRYPTION) {
return php_phongo_encryptionexception_ce;
}
return php_phongo_runtimeexception_ce;
}
void phongo_throw_exception(php_phongo_error_domain_t domain, const char* format, ...)
{
va_list args;
char* message;
int message_len;
va_start(args, format);
message_len = vspprintf(&message, 0, format, args);
zend_throw_exception(phongo_exception_from_phongo_domain(domain), message, 0);
efree(message);
va_end(args);
}
static void phongo_exception_add_error_labels(const bson_t* reply)
{
bson_iter_t iter;
if (!reply) {
return;
}
if (bson_iter_init_find(&iter, reply, "errorLabels")) {
bson_iter_t error_labels;
zval labels;
array_init(&labels);
bson_iter_recurse(&iter, &error_labels);
while (bson_iter_next(&error_labels)) {
if (BSON_ITER_HOLDS_UTF8(&error_labels)) {
const char* error_label;
uint32_t error_label_len;
error_label = bson_iter_utf8(&error_labels, &error_label_len);
ADD_NEXT_INDEX_STRINGL(&labels, error_label, error_label_len);
}
}
phongo_add_exception_prop(ZEND_STRL("errorLabels"), &labels);
zval_ptr_dtor(&labels);
}
}
void phongo_throw_exception_from_bson_error_t_and_reply(bson_error_t* error, const bson_t* reply)
{
/* Server errors (other than ExceededTimeLimit) and write concern errors
* may use CommandException and report the result document for the
* failed command. For BC, ExceededTimeLimit errors will continue to use
* ExcecutionTimeoutException and omit the result document. */
if (reply && ((error->domain == MONGOC_ERROR_SERVER && error->code != PHONGO_SERVER_ERROR_EXCEEDED_TIME_LIMIT) || error->domain == MONGOC_ERROR_WRITE_CONCERN)) {
zval zv;
zend_throw_exception(php_phongo_commandexception_ce, error->message, error->code);
if (php_phongo_bson_to_zval(bson_get_data(reply), reply->len, &zv)) {
phongo_add_exception_prop(ZEND_STRL("resultDocument"), &zv);
}
zval_ptr_dtor(&zv);
} else {
zend_throw_exception(phongo_exception_from_mongoc_domain(error->domain, error->code), error->message, error->code);
}
phongo_exception_add_error_labels(reply);
}
void phongo_throw_exception_from_bson_error_t(bson_error_t* error)
{
phongo_throw_exception_from_bson_error_t_and_reply(error, NULL);
}
static void php_phongo_log(mongoc_log_level_t log_level, const char* log_domain, const char* message, void* user_data)
{
struct timeval tv;
time_t t;
zend_long tu;
zend_string* dt;
(void) user_data;
gettimeofday(&tv, NULL);
t = tv.tv_sec;
tu = tv.tv_usec;
dt = php_format_date((char*) ZEND_STRL("Y-m-d\\TH:i:s"), t, 0);
fprintf(MONGODB_G(debug_fd), "[%s.%06" PHONGO_LONG_FORMAT "+00:00] %10s: %-8s> %s\n", ZSTR_VAL(dt), tu, log_domain, mongoc_log_level_str(log_level), message);
fflush(MONGODB_G(debug_fd));
efree(dt);
}
/* }}} */
/* {{{ Init objects */
static void phongo_cursor_init(zval* return_value, mongoc_client_t* client, mongoc_cursor_t* cursor, zval* readPreference, zval* session) /* {{{ */
{
php_phongo_cursor_t* intern;
object_init_ex(return_value, php_phongo_cursor_ce);
intern = Z_CURSOR_OBJ_P(return_value);
intern->cursor = cursor;
intern->server_id = mongoc_cursor_get_hint(cursor);
intern->client = client;
intern->advanced = false;
intern->got_iterator = false;
intern->current = 0;
if (readPreference) {
ZVAL_ZVAL(&intern->read_preference, readPreference, 1, 0);
}
if (session) {
ZVAL_ZVAL(&intern->session, session, 1, 0);
}
} /* }}} */
static void phongo_cursor_init_for_command(zval* return_value, mongoc_client_t* client, mongoc_cursor_t* cursor, const char* db, zval* command, zval* readPreference, zval* session) /* {{{ */
{
php_phongo_cursor_t* intern;
phongo_cursor_init(return_value, client, cursor, readPreference, session);
intern = Z_CURSOR_OBJ_P(return_value);
intern->database = estrdup(db);
ZVAL_ZVAL(&intern->command, command, 1, 0);
} /* }}} */
static void phongo_cursor_init_for_query(zval* return_value, mongoc_client_t* client, mongoc_cursor_t* cursor, const char* namespace, zval* query, zval* readPreference, zval* session) /* {{{ */
{
php_phongo_cursor_t* intern;
phongo_cursor_init(return_value, client, cursor, readPreference, session);
intern = Z_CURSOR_OBJ_P(return_value);
/* namespace has already been validated by phongo_execute_query() */
phongo_split_namespace(namespace, &intern->database, &intern->collection);
/* cursor has already been advanced by phongo_execute_query() calling
* phongo_cursor_advance_and_check_for_error() */
intern->advanced = true;
ZVAL_ZVAL(&intern->query, query, 1, 0);
} /* }}} */
void phongo_server_init(zval* return_value, mongoc_client_t* client, uint32_t server_id) /* {{{ */
{
php_phongo_server_t* server;
object_init_ex(return_value, php_phongo_server_ce);
server = Z_SERVER_OBJ_P(return_value);
server->server_id = server_id;
server->client = client;
}
/* }}} */
void phongo_session_init(zval* return_value, mongoc_client_session_t* client_session) /* {{{ */
{
php_phongo_session_t* session;
object_init_ex(return_value, php_phongo_session_ce);
session = Z_SESSION_OBJ_P(return_value);
session->client_session = client_session;
session->client = mongoc_client_session_get_client(client_session);
}
/* }}} */
void phongo_readconcern_init(zval* return_value, const mongoc_read_concern_t* read_concern) /* {{{ */
{
php_phongo_readconcern_t* intern;
object_init_ex(return_value, php_phongo_readconcern_ce);
intern = Z_READCONCERN_OBJ_P(return_value);
intern->read_concern = mongoc_read_concern_copy(read_concern);
}
/* }}} */
void phongo_readpreference_init(zval* return_value, const mongoc_read_prefs_t* read_prefs) /* {{{ */
{
php_phongo_readpreference_t* intern;
object_init_ex(return_value, php_phongo_readpreference_ce);
intern = Z_READPREFERENCE_OBJ_P(return_value);
intern->read_preference = mongoc_read_prefs_copy(read_prefs);
}
/* }}} */
void phongo_writeconcern_init(zval* return_value, const mongoc_write_concern_t* write_concern) /* {{{ */
{
php_phongo_writeconcern_t* intern;
object_init_ex(return_value, php_phongo_writeconcern_ce);
intern = Z_WRITECONCERN_OBJ_P(return_value);
intern->write_concern = mongoc_write_concern_copy(write_concern);
}
/* }}} */
zend_bool phongo_writeconcernerror_init(zval* return_value, bson_t* bson) /* {{{ */
{
bson_iter_t iter;
php_phongo_writeconcernerror_t* intern;
object_init_ex(return_value, php_phongo_writeconcernerror_ce);
intern = Z_WRITECONCERNERROR_OBJ_P(return_value);
intern->code = 0;
if (bson_iter_init_find(&iter, bson, "code") && BSON_ITER_HOLDS_INT32(&iter)) {
intern->code = bson_iter_int32(&iter);
}
if (bson_iter_init_find(&iter, bson, "errmsg") && BSON_ITER_HOLDS_UTF8(&iter)) {
uint32_t errmsg_len;
const char* err_msg = bson_iter_utf8(&iter, &errmsg_len);
intern->message = estrndup(err_msg, errmsg_len);
}
if (bson_iter_init_find(&iter, bson, "errInfo") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
uint32_t len;
const uint8_t* data = NULL;
bson_iter_document(&iter, &len, &data);
if (!php_phongo_bson_to_zval(data, len, &intern->info)) {
zval_ptr_dtor(&intern->info);
ZVAL_UNDEF(&intern->info);
return false;
}
}
return true;
} /* }}} */
zend_bool phongo_writeerror_init(zval* return_value, bson_t* bson) /* {{{ */
{
bson_iter_t iter;
php_phongo_writeerror_t* intern;
object_init_ex(return_value, php_phongo_writeerror_ce);
intern = Z_WRITEERROR_OBJ_P(return_value);
intern->code = 0;
intern->index = 0;
if (bson_iter_init_find(&iter, bson, "code") && BSON_ITER_HOLDS_INT32(&iter)) {
intern->code = bson_iter_int32(&iter);
}
if (bson_iter_init_find(&iter, bson, "errmsg") && BSON_ITER_HOLDS_UTF8(&iter)) {
uint32_t errmsg_len;
const char* err_msg = bson_iter_utf8(&iter, &errmsg_len);
intern->message = estrndup(err_msg, errmsg_len);
}
if (bson_iter_init_find(&iter, bson, "errInfo") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
uint32_t len;
const uint8_t* data = NULL;
bson_iter_document(&iter, &len, &data);
if (!php_phongo_bson_to_zval(data, len, &intern->info)) {
zval_ptr_dtor(&intern->info);
ZVAL_UNDEF(&intern->info);
return false;
}
}
if (bson_iter_init_find(&iter, bson, "index") && BSON_ITER_HOLDS_INT32(&iter)) {
intern->index = bson_iter_int32(&iter);
}
return true;
} /* }}} */
static php_phongo_writeresult_t* phongo_writeresult_init(zval* return_value, bson_t* reply, mongoc_client_t* client, uint32_t server_id) /* {{{ */
{
php_phongo_writeresult_t* writeresult;
object_init_ex(return_value, php_phongo_writeresult_ce);
writeresult = Z_WRITERESULT_OBJ_P(return_value);
writeresult->reply = bson_copy(reply);
writeresult->server_id = server_id;
writeresult->client = client;
return writeresult;
} /* }}} */
/* }}} */
/* {{{ CRUD */
/* Splits a namespace name into the database and collection names, allocated with estrdup. */
static bool phongo_split_namespace(const char* namespace, char** dbname, char** cname) /* {{{ */
{
char* dot = strchr(namespace, '.');
if (!dot) {
return false;
}
if (cname) {
*cname = estrdup(namespace + (dot - namespace) + 1);
}
if (dbname) {
*dbname = estrndup(namespace, dot - namespace);
}
return true;
} /* }}} */
/* Parses the "readConcern" option for an execute method. If mongoc_opts is not
* NULL, the option will be appended. On error, false is returned and an
* exception is thrown. */
static bool phongo_parse_read_concern(zval* options, bson_t* mongoc_opts) /* {{{ */
{
zval* option = NULL;
mongoc_read_concern_t* read_concern;
if (!options) {
return true;
}
if (Z_TYPE_P(options) != IS_ARRAY) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
return false;
}
option = php_array_fetchc(options, "readConcern");
if (!option) {
return true;
}
if (Z_TYPE_P(option) != IS_OBJECT || !instanceof_function(Z_OBJCE_P(option), php_phongo_readconcern_ce)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_readconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
return false;
}
read_concern = Z_READCONCERN_OBJ_P(option)->read_concern;
if (mongoc_opts && !mongoc_read_concern_append(read_concern, mongoc_opts)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"readConcern\" option");
return false;
}
return true;
} /* }}} */
/* Parses the "readPreference" option for an execute method. If zreadPreference
* is not NULL, it will be assigned to the option. On error, false is returned
* and an exception is thrown. */
bool phongo_parse_read_preference(zval* options, zval** zreadPreference) /* {{{ */
{
zval* option = NULL;
if (!options) {
return true;
}
if (Z_TYPE_P(options) != IS_ARRAY) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
return false;
}
option = php_array_fetchc(options, "readPreference");
if (!option) {
return true;
}
if (Z_TYPE_P(option) != IS_OBJECT || !instanceof_function(Z_OBJCE_P(option), php_phongo_readpreference_ce)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"readPreference\" option to be %s, %s given", ZSTR_VAL(php_phongo_readpreference_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
return false;
}
if (zreadPreference) {
*zreadPreference = option;
}
return true;
} /* }}} */
/* Parses the "session" option for an execute method. The client object should
* correspond to the Manager executing the operation and will be used to ensure
* that the session is correctly associated with that client. If mongoc_opts is
* not NULL, the option will be appended. If zsession is not NULL, it will be
* assigned to the option. On error, false is returned and an exception is
* thrown. */
bool phongo_parse_session(zval* options, mongoc_client_t* client, bson_t* mongoc_opts, zval** zsession) /* {{{ */
{
zval* option = NULL;
const mongoc_client_session_t* client_session;
if (!options) {
return true;
}
if (Z_TYPE_P(options) != IS_ARRAY) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
return false;
}
option = php_array_fetchc(options, "session");
if (!option) {
return true;
}
if (Z_TYPE_P(option) != IS_OBJECT || !instanceof_function(Z_OBJCE_P(option), php_phongo_session_ce)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"session\" option to be %s, %s given", ZSTR_VAL(php_phongo_session_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
return false;
}
client_session = Z_SESSION_OBJ_P(option)->client_session;
if (client != mongoc_client_session_get_client(client_session)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot use Session started from a different Manager");
return false;
}
if (mongoc_opts && !mongoc_client_session_append(client_session, mongoc_opts, NULL)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"session\" option");
return false;
}
if (zsession) {
*zsession = option;
}
return true;
} /* }}} */
/* Parses the "writeConcern" option for an execute method. If mongoc_opts is not
* NULL, the option will be appended. If zwriteConcern is not NULL, it will be
* assigned to the option. On error, false is returned and an exception is
* thrown. */
static bool phongo_parse_write_concern(zval* options, bson_t* mongoc_opts, zval** zwriteConcern) /* {{{ */
{
zval* option = NULL;
mongoc_write_concern_t* write_concern;
if (!options) {
return true;
}
if (Z_TYPE_P(options) != IS_ARRAY) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected options to be array, %s given", PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(options));
return false;
}
option = php_array_fetchc(options, "writeConcern");
if (!option) {
return true;
}
if (Z_TYPE_P(option) != IS_OBJECT || !instanceof_function(Z_OBJCE_P(option), php_phongo_writeconcern_ce)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Expected \"writeConcern\" option to be %s, %s given", ZSTR_VAL(php_phongo_writeconcern_ce->name), PHONGO_ZVAL_CLASS_OR_TYPE_NAME_P(option));
return false;
}
write_concern = Z_WRITECONCERN_OBJ_P(option)->write_concern;
if (mongoc_opts && !mongoc_write_concern_append(write_concern, mongoc_opts)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"writeConcern\" option");
return false;
}
if (zwriteConcern) {
*zwriteConcern = option;
}
return true;
}
bool phongo_execute_bulk_write(mongoc_client_t* client, const char* namespace, php_phongo_bulkwrite_t* bulk_write, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
{
bson_error_t error = { 0 };
int success;
bson_t reply = BSON_INITIALIZER;
mongoc_bulk_operation_t* bulk = bulk_write->bulk;
php_phongo_writeresult_t* writeresult;
zval* zwriteConcern = NULL;
zval* zsession = NULL;
const mongoc_write_concern_t* write_concern = NULL;
if (bulk_write->executed) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "BulkWrite objects may only be executed once and this instance has already been executed");
return false;
}
if (!phongo_split_namespace(namespace, &bulk_write->database, &bulk_write->collection)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s: %s", "Invalid namespace provided", namespace);
return false;
}
if (!phongo_parse_session(options, client, NULL, &zsession)) {
/* Exception should already have been thrown */
return false;
}
if (!phongo_parse_write_concern(options, NULL, &zwriteConcern)) {
/* Exception should already have been thrown */
return false;
}
/* If a write concern was not specified, libmongoc will use the client's
* write concern; however, we should still fetch it for the write result.
* Additionally, we need to check if an unacknowledged write concern would
* conflict with an explicit session. */
write_concern = zwriteConcern ? Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern : mongoc_client_get_write_concern(client);
if (zsession && !mongoc_write_concern_is_acknowledged(write_concern)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot combine \"session\" option with an unacknowledged write concern");
return false;
}
mongoc_bulk_operation_set_database(bulk, bulk_write->database);
mongoc_bulk_operation_set_collection(bulk, bulk_write->collection);
mongoc_bulk_operation_set_client(bulk, client);
mongoc_bulk_operation_set_hint(bulk, server_id);
if (zsession) {
mongoc_bulk_operation_set_client_session(bulk, Z_SESSION_OBJ_P(zsession)->client_session);
}
if (zwriteConcern) {
mongoc_bulk_operation_set_write_concern(bulk, Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern);
}
success = mongoc_bulk_operation_execute(bulk, &reply, &error);
bulk_write->executed = true;
writeresult = phongo_writeresult_init(return_value, &reply, client, mongoc_bulk_operation_get_hint(bulk));
writeresult->write_concern = mongoc_write_concern_copy(write_concern);
/* A BulkWriteException is always thrown if mongoc_bulk_operation_execute()
* fails to ensure that the write result is accessible. If the error does
* not originate from the server (e.g. socket error), throw the appropriate
* exception first. It will be included in BulkWriteException's message and
* will also be accessible via Exception::getPrevious(). */
if (!success) {
if (error.domain != MONGOC_ERROR_SERVER && error.domain != MONGOC_ERROR_WRITE_CONCERN) {
phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
}
/* Argument errors occur before command execution, so there is no need
* to layer this InvalidArgumentException behind a BulkWriteException.
* In practice, this will be a "Cannot do an empty bulk write" error. */
if (error.domain == MONGOC_ERROR_COMMAND && error.code == MONGOC_ERROR_COMMAND_INVALID_ARG) {
goto cleanup;
}
if (EG(exception)) {
char* message;
(void) spprintf(&message, 0, "Bulk write failed due to previous %s: %s", PHONGO_ZVAL_EXCEPTION_NAME(EG(exception)), error.message);
zend_throw_exception(php_phongo_bulkwriteexception_ce, message, 0);
efree(message);
} else {
zend_throw_exception(php_phongo_bulkwriteexception_ce, error.message, error.code);
}
/* Ensure error labels are added to the final BulkWriteException. If a
* previous exception was also thrown, error labels will already have
* been added by phongo_throw_exception_from_bson_error_t_and_reply. */
phongo_exception_add_error_labels(&reply);
phongo_add_exception_prop(ZEND_STRL("writeResult"), return_value);
}
cleanup:
bson_destroy(&reply);
return success;
} /* }}} */
/* Advance the cursor and return whether there is an error. On error, false is
* returned and an exception is thrown. */
bool phongo_cursor_advance_and_check_for_error(mongoc_cursor_t* cursor) /* {{{ */
{
const bson_t* doc = NULL;
if (!mongoc_cursor_next(cursor, &doc)) {
bson_error_t error = { 0 };
/* Check for connection related exceptions */
if (EG(exception)) {
return false;
}
/* Could simply be no docs, which is not an error */
if (mongoc_cursor_error_document(cursor, &error, &doc)) {
phongo_throw_exception_from_bson_error_t_and_reply(&error, doc);
return false;
}
}
return true;
} /* }}} */
bool phongo_execute_query(mongoc_client_t* client, const char* namespace, zval* zquery, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
{
const php_phongo_query_t* query;
bson_t opts = BSON_INITIALIZER;
mongoc_cursor_t* cursor;
char* dbname;
char* collname;
mongoc_collection_t* collection;
zval* zreadPreference = NULL;
zval* zsession = NULL;
if (!phongo_split_namespace(namespace, &dbname, &collname)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "%s: %s", "Invalid namespace provided", namespace);
return false;
}
collection = mongoc_client_get_collection(client, dbname, collname);
efree(dbname);
efree(collname);
query = Z_QUERY_OBJ_P(zquery);
bson_copy_to(query->opts, &opts);
if (query->read_concern) {
mongoc_collection_set_read_concern(collection, query->read_concern);
}
if (!phongo_parse_read_preference(options, &zreadPreference)) {
/* Exception should already have been thrown */
mongoc_collection_destroy(collection);
bson_destroy(&opts);
return false;
}
if (!phongo_parse_session(options, client, &opts, &zsession)) {
/* Exception should already have been thrown */
mongoc_collection_destroy(collection);
bson_destroy(&opts);
return false;
}
if (!BSON_APPEND_INT32(&opts, "serverId", server_id)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"serverId\" option");
mongoc_collection_destroy(collection);
bson_destroy(&opts);
return false;
}
cursor = mongoc_collection_find_with_opts(collection, query->filter, &opts, phongo_read_preference_from_zval(zreadPreference));
mongoc_collection_destroy(collection);
bson_destroy(&opts);
/* maxAwaitTimeMS must be set before the cursor is sent */
if (query->max_await_time_ms) {
mongoc_cursor_set_max_await_time_ms(cursor, query->max_await_time_ms);
}
if (!phongo_cursor_advance_and_check_for_error(cursor)) {
mongoc_cursor_destroy(cursor);
return false;
}
phongo_cursor_init_for_query(return_value, client, cursor, namespace, zquery, zreadPreference, zsession);
return true;
} /* }}} */
static bson_t* create_wrapped_command_envelope(const char* db, bson_t* reply)
{
bson_t* tmp;
size_t max_ns_len = strlen(db) + 5 + 1; /* db + ".$cmd" + '\0' */
char* ns = emalloc(max_ns_len);
snprintf(ns, max_ns_len, "%s.$cmd", db);
tmp = BCON_NEW("cursor", "{", "id", BCON_INT64(0), "ns", BCON_UTF8(ns), "firstBatch", "[", BCON_DOCUMENT(reply), "]", "}");
efree(ns);
return tmp;
}
static zval* phongo_create_implicit_session(mongoc_client_t* client) /* {{{ */
{
mongoc_client_session_t* cs;
zval* zsession;
cs = mongoc_client_start_session(client, NULL, NULL);
if (!cs) {
return NULL;
}
zsession = ecalloc(sizeof(zval), 1);
phongo_session_init(zsession, cs);
return zsession;
} /* }}} */
bool phongo_execute_command(mongoc_client_t* client, php_phongo_command_type_t type, const char* db, zval* zcommand, zval* options, uint32_t server_id, zval* return_value) /* {{{ */
{
const php_phongo_command_t* command;
bson_iter_t iter;
bson_t reply;
bson_error_t error = { 0 };
bson_t opts = BSON_INITIALIZER;
mongoc_cursor_t* cmd_cursor;
zval* zreadPreference = NULL;
zval* zsession = NULL;
bool result = false;
bool free_reply = false;
bool free_zsession = false;
bool is_unacknowledged_write_concern = false;
command = Z_COMMAND_OBJ_P(zcommand);
if ((type & PHONGO_OPTION_READ_CONCERN) && !phongo_parse_read_concern(options, &opts)) {
/* Exception should already have been thrown */
goto cleanup;
}
if ((type & PHONGO_OPTION_READ_PREFERENCE) && !phongo_parse_read_preference(options, &zreadPreference)) {
/* Exception should already have been thrown */
goto cleanup;
}
if (!phongo_parse_session(options, client, &opts, &zsession)) {
/* Exception should already have been thrown */
goto cleanup;
}
if (type & PHONGO_OPTION_WRITE_CONCERN) {
zval* zwriteConcern = NULL;
if (!phongo_parse_write_concern(options, &opts, &zwriteConcern)) {
/* Exception should already have been thrown */
goto cleanup;
}
/* Determine if the explicit or inherited write concern is
* unacknowledged so that we can ensure it does not conflict with an
* explicit or implicit session. */
if (zwriteConcern) {
is_unacknowledged_write_concern = !mongoc_write_concern_is_acknowledged(Z_WRITECONCERN_OBJ_P(zwriteConcern)->write_concern);
} else if (type != PHONGO_COMMAND_RAW) {
is_unacknowledged_write_concern = !mongoc_write_concern_is_acknowledged(mongoc_client_get_write_concern(client));
}
}
if (zsession && is_unacknowledged_write_concern) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Cannot combine \"session\" option with an unacknowledged write concern");
goto cleanup;
}
/* If an explicit session was not provided and the effective write concern
* is not unacknowledged, attempt to create an implicit client session
* (ignoring any errors). */
if (!zsession && !is_unacknowledged_write_concern) {
zsession = phongo_create_implicit_session(client);
if (zsession) {
free_zsession = true;
if (!mongoc_client_session_append(Z_SESSION_OBJ_P(zsession)->client_session, &opts, NULL)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending implicit \"sessionId\" option");
goto cleanup;
}
}
}
if (!BSON_APPEND_INT32(&opts, "serverId", server_id)) {
phongo_throw_exception(PHONGO_ERROR_INVALID_ARGUMENT, "Error appending \"serverId\" option");
goto cleanup;
}
/* Although "opts" already always includes the serverId option, the read
* preference is added to the command parts, which is relevant for mongos
* command construction. */
switch (type) {
case PHONGO_COMMAND_RAW:
result = mongoc_client_command_with_opts(client, db, command->bson, phongo_read_preference_from_zval(zreadPreference), &opts, &reply, &error);
break;
case PHONGO_COMMAND_READ:
result = mongoc_client_read_command_with_opts(client, db, command->bson, phongo_read_preference_from_zval(zreadPreference), &opts, &reply, &error);
break;
case PHONGO_COMMAND_WRITE:
result = mongoc_client_write_command_with_opts(client, db, command->bson, &opts, &reply, &error);
break;
case PHONGO_COMMAND_READ_WRITE:
/* We can pass NULL as readPreference, as this argument was added historically, but has no function */
result = mongoc_client_read_write_command_with_opts(client, db, command->bson, NULL, &opts, &reply, &error);
break;
default:
/* Should never happen, but if it does: exception */
phongo_throw_exception(PHONGO_ERROR_LOGIC, "Type '%d' should never have been passed to phongo_execute_command, please file a bug report", type);
goto cleanup;
}
free_reply = true;
if (!result) {
phongo_throw_exception_from_bson_error_t_and_reply(&error, &reply);
goto cleanup;
}
/* According to mongoc_cursor_new_from_command_reply_with_opts(), the reply
* bson_t is ultimately destroyed on both success and failure. */
if (bson_iter_init_find(&iter, &reply, "cursor") && BSON_ITER_HOLDS_DOCUMENT(&iter)) {
bson_t initial_reply = BSON_INITIALIZER;
bson_t cursor_opts = BSON_INITIALIZER;
bson_error_t error = { 0 };