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db.c
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db.c
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/**
* Copyright 2009-2013 10gen, 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.
*/
#include <php.h>
#include <zend_exceptions.h>
#include <ext/standard/md5.h>
#include <ext/standard/php_smart_str.h>
#include "php_mongo.h"
#include "db.h"
#include "collection.h"
#include "cursor.h"
#include "gridfs/gridfs.h"
#include "types/code.h"
#include "types/db_ref.h"
#include "mcon/manager.h"
#ifndef zend_parse_parameters_none
#define zend_parse_parameters_none() \
zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "")
#endif
extern zend_class_entry *mongo_ce_MongoClient, *mongo_ce_Collection;
extern zend_class_entry *mongo_ce_Cursor, *mongo_ce_GridFS, *mongo_ce_Id;
extern zend_class_entry *mongo_ce_Code, *mongo_ce_Exception;
extern zend_class_entry *mongo_ce_CursorException, *mongo_ce_Int64;
extern zend_class_entry *mongo_ce_ConnectionException, *mongo_ce_ResultException;
extern zend_object_handlers mongo_default_handlers;
zend_class_entry *mongo_ce_DB = NULL;
static void clear_exception(zval* return_value TSRMLS_DC);
static int php_mongo_command_supports_rp(zval *cmd)
{
HashPosition pos;
char *str;
uint str_len;
long type;
ulong idx;
if (!cmd || Z_TYPE_P(cmd) != IS_ARRAY) {
return 0;
}
zend_hash_internal_pointer_reset_ex(Z_ARRVAL_P(cmd), &pos);
type = zend_hash_get_current_key_ex(Z_ARRVAL_P(cmd), &str, &str_len, &idx, 0, &pos);
if (type != HASH_KEY_IS_STRING) {
return 0;
}
/* Commands in MongoDB are case-sensitive */
if (str_len == 6) {
if (strcmp(str, "count") == 0 || strcmp(str, "group") == 0) {
return 1;
}
return 0;
}
if (str_len == 8) {
if (strcmp(str, "dbStats") == 0 || strcmp(str, "geoNear") == 0 || strcmp(str, "geoWalk") == 0) {
return 1;
}
return 0;
}
if (str_len == 9) {
if (strcmp(str, "distinct") == 0) {
return 1;
}
return 0;
}
if (str_len == 10) {
if (strcmp(str, "aggregate") == 0 || strcmp(str, "collStats") == 0 || strcmp(str, "geoSearch") == 0) {
return 1;
}
if (strcmp(str, "mapreduce") == 0) {
zval **value = NULL;
if (zend_hash_find(Z_ARRVAL_P(cmd), "out", 4, (void **)&value) == SUCCESS) {
if (Z_TYPE_PP(value) == IS_STRING) {
if (strcmp(Z_STRVAL_PP(value), "inline") == 0) {
return 1;
}
}
}
}
return 0;
}
return 0;
}
/* {{{ MongoDB::__construct
*/
PHP_METHOD(MongoDB, __construct)
{
zval *zlink;
char *name;
int name_len;
mongo_db *db;
mongoclient *link;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "Os", &zlink, mongo_ce_MongoClient, &name, &name_len) == FAILURE) {
zval *object = getThis();
ZVAL_NULL(object);
return;
}
if (
name_len == 0 ||
memchr(name, ' ', name_len) != 0 || memchr(name, '.', name_len) != 0 || memchr(name, '\\', name_len) != 0 ||
memchr(name, '/', name_len) != 0 || memchr(name, '$', name_len) != 0 || memchr(name, '\0', name_len) != 0
) {
zend_throw_exception_ex(mongo_ce_Exception, 2 TSRMLS_CC, "MongoDB::__construct(): invalid name %s", name);
return;
}
db = (mongo_db*)zend_object_store_get_object(getThis() TSRMLS_CC);
db->link = zlink;
zval_add_ref(&db->link);
PHP_MONGO_GET_LINK(zlink);
if (link->servers->options.default_w != -1) {
zend_update_property_long(mongo_ce_DB, getThis(), "w", strlen("w"), link->servers->options.default_w TSRMLS_CC);
} else if (link->servers->options.default_wstring != NULL) {
zend_update_property_string(mongo_ce_DB, getThis(), "w", strlen("w"), link->servers->options.default_wstring TSRMLS_CC);
}
if (link->servers->options.default_wtimeout != -1) {
zend_update_property_long(mongo_ce_DB, getThis(), "wtimeout", strlen("wtimeout"), link->servers->options.default_wtimeout TSRMLS_CC);
}
mongo_read_preference_copy(&link->servers->read_pref, &db->read_pref);
MAKE_STD_ZVAL(db->name);
ZVAL_STRING(db->name, name, 1);
}
/* }}} */
PHP_METHOD(MongoDB, __toString)
{
mongo_db *db = (mongo_db*)zend_object_store_get_object(getThis() TSRMLS_CC);
MONGO_CHECK_INITIALIZED_STRING(db->name, MongoDB);
RETURN_ZVAL(db->name, 1, 0);
}
/* Selects a collection and returns it as zval. If the return value is no, an
* Exception is set. This only happens if the passed in DB was invalid. */
zval *php_mongodb_selectcollection(zval *this, char *collection, int collection_len TSRMLS_DC)
{
zval *z_collection;
zval *return_value;
zval temp;
mongo_db *db;
db = (mongo_db*)zend_object_store_get_object(this TSRMLS_CC);
if (!(db->name)) {
zend_throw_exception(mongo_ce_Exception, "The MongoDB object has not been correctly initialized by its constructor", 0 TSRMLS_CC);
return NULL;
}
MAKE_STD_ZVAL(z_collection);
ZVAL_STRINGL(z_collection, collection, collection_len, 1);
MAKE_STD_ZVAL(return_value);
object_init_ex(return_value, mongo_ce_Collection);
MONGO_METHOD2(MongoCollection, __construct, &temp, return_value, this, z_collection);
zval_ptr_dtor(&z_collection);
return return_value;
}
/* {{{ proto MongoCollection MongoDB::selectCollection(string name)
Returns the "name" collection from the database */
PHP_METHOD(MongoDB, selectCollection)
{
char *name;
int name_len;
zval *collection;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s", &name, &name_len) == FAILURE) {
return;
}
collection = php_mongodb_selectcollection(getThis(), name, name_len TSRMLS_CC);
if (collection) {
/* Only copy the zval into return_value if it worked. If collection is
* NULL here, an exception is set */
RETURN_ZVAL(collection, 0, 1);
}
}
/* }}} */
PHP_METHOD(MongoDB, getGridFS)
{
zval temp;
zval *arg1 = 0, *arg2 = 0;
/* arg2 is deprecated */
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|zz", &arg1, &arg2) == FAILURE) {
return;
}
if (arg2) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "The 'chunks' argument is deprecated and ignored");
}
object_init_ex(return_value, mongo_ce_GridFS);
if (!arg1) {
MONGO_METHOD1(MongoGridFS, __construct, &temp, return_value, getThis());
} else {
MONGO_METHOD2(MongoGridFS, __construct, &temp, return_value, getThis(), arg1);
}
}
PHP_METHOD(MongoDB, getSlaveOkay)
{
mongo_db *db;
PHP_MONGO_GET_DB(getThis());
RETURN_BOOL(db->read_pref.type != MONGO_RP_PRIMARY);
}
PHP_METHOD(MongoDB, setSlaveOkay)
{
zend_bool slave_okay = 1;
mongo_db *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &slave_okay) == FAILURE) {
return;
}
PHP_MONGO_GET_DB(getThis());
RETVAL_BOOL(db->read_pref.type != MONGO_RP_PRIMARY);
db->read_pref.type = slave_okay ? MONGO_RP_SECONDARY_PREFERRED : MONGO_RP_PRIMARY;
}
PHP_METHOD(MongoDB, getReadPreference)
{
mongo_db *db;
PHP_MONGO_GET_DB(getThis());
array_init(return_value);
add_assoc_string(return_value, "type", mongo_read_preference_type_to_name(db->read_pref.type), 1);
php_mongo_add_tagsets(return_value, &db->read_pref);
}
/* {{{ MongoDB::setReadPreference(string read_preference [, array tags ])
* Sets a read preference to be used for all read queries.*/
PHP_METHOD(MongoDB, setReadPreference)
{
char *read_preference;
int read_preference_len;
mongo_db *db;
HashTable *tags = NULL;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|h", &read_preference, &read_preference_len, &tags) == FAILURE) {
return;
}
PHP_MONGO_GET_DB(getThis());
if (php_mongo_set_readpreference(&db->read_pref, read_preference, tags TSRMLS_CC)) {
RETURN_TRUE;
} else {
RETURN_FALSE;
}
}
/* }}} */
/* {{{ bool MongoDB::getWriteConcern()
* Get the MongoDB WriteConcern */
PHP_METHOD(MongoDB, getWriteConcern)
{
zval *write_concern, *wtimeout;
if (zend_parse_parameters_none()) {
return;
}
write_concern = zend_read_property(mongo_ce_DB, getThis(), "w", strlen("w"), 0 TSRMLS_CC);
wtimeout = zend_read_property(mongo_ce_DB, getThis(), "wtimeout", strlen("wtimeout"), 0 TSRMLS_CC);
Z_ADDREF_P(write_concern);
Z_ADDREF_P(wtimeout);
array_init(return_value);
add_assoc_zval(return_value, "w", write_concern);
add_assoc_zval(return_value, "wtimeout", wtimeout);
}
/* }}} */
/* {{{ bool MongoDB::setWriteConcern(mixed w [, int wtimeout])
* Sets the MongoDB WriteConcern */
PHP_METHOD(MongoDB, setWriteConcern)
{
zval *write_concern;
long wtimeout;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|l", &write_concern, &wtimeout) == FAILURE) {
return;
}
if (Z_TYPE_P(write_concern) == IS_LONG) {
zend_update_property_long(mongo_ce_DB, getThis(), "w", strlen("w"), Z_LVAL_P(write_concern) TSRMLS_CC);
} else if (Z_TYPE_P(write_concern) == IS_STRING) {
zend_update_property_stringl(mongo_ce_DB, getThis(), "w", strlen("w"), Z_STRVAL_P(write_concern), Z_STRLEN_P(write_concern) TSRMLS_CC);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "expects parameter 1 to be an string or integer, %s given", zend_get_type_by_const(Z_TYPE_P(write_concern)));
RETURN_FALSE;
}
if (ZEND_NUM_ARGS() > 1) {
zend_update_property_long(mongo_ce_DB, getThis(), "wtimeout", strlen("wtimeout"), wtimeout TSRMLS_CC);
}
RETURN_TRUE;
}
/* }}} */
PHP_METHOD(MongoDB, getProfilingLevel)
{
zval l;
Z_TYPE(l) = IS_LONG;
Z_LVAL(l) = -1;
MONGO_METHOD1(MongoDB, setProfilingLevel, return_value, getThis(), &l);
}
PHP_METHOD(MongoDB, setProfilingLevel)
{
long level;
zval *cmd, *cmd_return;
zval **ok;
mongo_db *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &level) == FAILURE) {
return;
}
PHP_MONGO_GET_DB(getThis());
MAKE_STD_ZVAL(cmd);
array_init(cmd);
add_assoc_long(cmd, "profile", level);
cmd_return = php_mongodb_runcommand(db->link, &db->read_pref, Z_STRVAL_P(db->name), Z_STRLEN_P(db->name), cmd, NULL, 0 TSRMLS_CC);
zval_ptr_dtor(&cmd);
if (EG(exception)) {
if (cmd_return) {
zval_ptr_dtor(&cmd_return);
}
return;
}
if (
zend_hash_find(HASH_P(cmd_return), "ok", 3, (void**)&ok) == SUCCESS &&
((Z_TYPE_PP(ok) == IS_BOOL && Z_BVAL_PP(ok)) || Z_DVAL_PP(ok) == 1)
) {
zend_hash_find(HASH_P(cmd_return), "was", 4, (void**)&ok);
RETVAL_ZVAL(*ok, 1, 0);
} else {
RETVAL_NULL();
}
zval_ptr_dtor(&cmd_return);
}
PHP_METHOD(MongoDB, drop)
{
zval *cmd, *retval;
mongo_db *db;
if (zend_parse_parameters_none() == FAILURE) {
return;
}
PHP_MONGO_GET_DB(getThis());
MAKE_STD_ZVAL(cmd);
array_init(cmd);
add_assoc_long(cmd, "dropDatabase", 1);
retval = php_mongodb_runcommand(db->link, &db->read_pref, Z_STRVAL_P(db->name), Z_STRLEN_P(db->name), cmd, NULL, 0 TSRMLS_CC);
zval_ptr_dtor(&cmd);
if (retval) {
RETURN_ZVAL(retval, 0, 1);
}
}
PHP_METHOD(MongoDB, repair)
{
zend_bool cloned=0, original=0;
zval *cmd, *retval;
mongo_db *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|bb", &cloned, &original) == FAILURE) {
return;
}
PHP_MONGO_GET_DB(getThis());
MAKE_STD_ZVAL(cmd);
array_init(cmd);
add_assoc_long(cmd, "repairDatabase", 1);
add_assoc_bool(cmd, "preserveClonedFilesOnFailure", cloned);
add_assoc_bool(cmd, "backupOriginalFiles", original);
retval = php_mongodb_runcommand(db->link, &db->read_pref, Z_STRVAL_P(db->name), Z_STRLEN_P(db->name), cmd, NULL, 0 TSRMLS_CC);
zval_ptr_dtor(&cmd);
if (retval) {
RETVAL_ZVAL(retval, 0, 1);
}
}
PHP_METHOD(MongoDB, createCollection)
{
zval *cmd = NULL, *temp, *options = NULL;
char *collection;
int collection_len;
zend_bool capped = 0;
long size = 0, max = 0;
mongo_db *db;
if (zend_parse_parameters_ex(ZEND_PARSE_PARAMS_QUIET, ZEND_NUM_ARGS() TSRMLS_CC, "s|bll", &collection, &collection_len, &capped, &size, &max) == SUCCESS) {
MAKE_STD_ZVAL(cmd);
array_init(cmd);
add_assoc_stringl(cmd, "create", collection, collection_len, 1);
if (size) {
add_assoc_long(cmd, "size", size);
}
if (capped) {
php_error_docref(NULL TSRMLS_CC, MONGO_E_DEPRECATED, "This method now accepts arguments as an options array instead of the three optional arguments for capped, size and max elements");
add_assoc_bool(cmd, "capped", 1);
if (max) {
add_assoc_long(cmd, "max", max);
}
}
} else if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|a", &collection, &collection_len, &options) == SUCCESS) {
zval *tmp_copy;
/* We create a new array here, instead of just tagging "create" =>
* <name> at the end of the array. This is because MongoDB wants the
* name of the command as first element in the array. */
MAKE_STD_ZVAL(cmd);
array_init(cmd);
add_assoc_stringl(cmd, "create", collection, collection_len, 1);
if (options) {
zend_hash_merge(Z_ARRVAL_P(cmd), Z_ARRVAL_P(options), (copy_ctor_func_t) zval_add_ref, (void *) &tmp_copy, sizeof(zval *), 0);
}
} else {
return;
}
PHP_MONGO_GET_DB(getThis());
temp = php_mongodb_runcommand(db->link, &db->read_pref, Z_STRVAL_P(db->name), Z_STRLEN_P(db->name), cmd, options, 0 TSRMLS_CC);
zval_ptr_dtor(&cmd);
if (temp) {
zval_ptr_dtor(&temp);
}
if (!EG(exception)) {
zval *zcollection;
/* get the collection we just created */
zcollection = php_mongodb_selectcollection(getThis(), collection, collection_len TSRMLS_CC);
if (zcollection) {
/* Only copy the zval into return_value if it worked. If
* zcollection is NULL here, an exception is set */
RETURN_ZVAL(zcollection, 0, 1);
}
}
}
/* {{{ proto MongoCollection MongoDB::dropCollection(string|MongoCollection collection)
Drops a collection and returns the database's response */
PHP_METHOD(MongoDB, dropCollection)
{
zval *collection;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &collection) == FAILURE) {
return;
}
if (Z_TYPE_P(collection) == IS_STRING) {
collection = php_mongodb_selectcollection(getThis(), Z_STRVAL_P(collection), Z_STRLEN_P(collection) TSRMLS_CC);
if (!collection) {
/* An exception is set in this case */
return;
}
} else if (Z_TYPE_P(collection) == IS_OBJECT && Z_OBJCE_P(collection) == mongo_ce_Collection) {
zval_add_ref(&collection);
} else {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "expects parameter 1 to be an string or MongoCollection");
return;
}
MONGO_METHOD(MongoCollection, drop, return_value, collection);
zval_ptr_dtor(&collection);
}
/* }}} */
static void php_mongo_enumerate_collections(INTERNAL_FUNCTION_PARAMETERS, int full_collection)
{
zend_bool system_col = 0;
zval *system_collection, *cursor, *list, *next;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "|b", &system_col) == FAILURE) {
return;
}
/* select db.system.namespaces collection */
system_collection = php_mongodb_selectcollection(getThis(), "system.namespaces", strlen("system.namespaces") TSRMLS_CC);
if (!system_collection) {
/* An exception is set in this case */
return;
}
/* list to return */
MAKE_STD_ZVAL(list);
array_init(list);
/* do find */
MAKE_STD_ZVAL(cursor);
MONGO_METHOD(MongoCollection, find, cursor, system_collection);
/* populate list */
MAKE_STD_ZVAL(next);
MONGO_METHOD(MongoCursor, getNext, next, cursor);
while (IS_ARRAY_OR_OBJECT_P(next)) {
zval *c;
zval **collection;
char *name, *first_dot, *system;
/* check that the ns is valid and not an index (contains $) */
if (
zend_hash_find(HASH_P(next), "name", 5, (void**)&collection) == FAILURE ||
(
Z_TYPE_PP(collection) == IS_STRING &&
strchr(Z_STRVAL_PP(collection), '$')
)
) {
zval_ptr_dtor(&next);
MAKE_STD_ZVAL(next);
ZVAL_NULL(next);
MONGO_METHOD(MongoCursor, getNext, next, cursor);
continue;
}
/* check that this isn't a system ns */
first_dot = strchr(Z_STRVAL_PP(collection), '.');
system = strstr(Z_STRVAL_PP(collection), ".system.");
if (
(!system_col && (system && first_dot == system)) ||
(name = strchr(Z_STRVAL_PP(collection), '.')) == 0)
{
zval_ptr_dtor(&next);
MAKE_STD_ZVAL(next);
ZVAL_NULL(next);
MONGO_METHOD(MongoCursor, getNext, next, cursor);
continue;
}
/* take a substring after the first "." */
name++;
/* "foo." was allowed in earlier versions */
if (name == '\0') {
zval_ptr_dtor(&next);
MAKE_STD_ZVAL(next);
ZVAL_NULL(next);
MONGO_METHOD(MongoCursor, getNext, next, cursor);
continue;
}
if (full_collection) {
c = php_mongodb_selectcollection(getThis(), name, strlen(name) TSRMLS_CC);
/* No need to test for c here, as this was already covered in
* system_collection above */
add_next_index_zval(list, c);
} else {
add_next_index_string(list, name, 1);
}
zval_ptr_dtor(&next);
MAKE_STD_ZVAL(next);
MONGO_METHOD(MongoCursor, getNext, next, cursor);
}
zval_ptr_dtor(&next);
zval_ptr_dtor(&cursor);
zval_ptr_dtor(&system_collection);
RETURN_ZVAL(list, 0, 1);
}
PHP_METHOD(MongoDB, listCollections)
{
php_mongo_enumerate_collections(INTERNAL_FUNCTION_PARAM_PASSTHRU, 1);
}
PHP_METHOD(MongoDB, getCollectionNames)
{
php_mongo_enumerate_collections(INTERNAL_FUNCTION_PARAM_PASSTHRU, 0);
}
PHP_METHOD(MongoDB, createDBRef)
{
char *collection;
int collection_len;
zval *obj, *retval = NULL;
mongo_db *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "sz", &collection, &collection_len, &obj) == FAILURE) {
return;
}
PHP_MONGO_GET_DB(getThis());
if (
(obj = php_mongo_dbref_resolve_id(obj TSRMLS_CC)) &&
(retval = php_mongo_dbref_create(obj, collection, NULL TSRMLS_CC))
) {
RETURN_ZVAL(retval, 0, 1);
}
RETURN_NULL();
}
PHP_METHOD(MongoDB, getDBRef)
{
zval *ref;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z", &ref) == FAILURE) {
return;
}
MUST_BE_ARRAY_OR_OBJECT(1, ref);
MONGO_METHOD2(MongoDBRef, get, return_value, NULL, getThis(), ref);
}
PHP_METHOD(MongoDB, execute)
{
zval *code = NULL, *args = NULL, *options = NULL;
zval *cmd, *retval;
mongo_db *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|aa", &code, &args, &options) == FAILURE) {
return;
}
/* turn the first argument into MongoCode */
if (Z_TYPE_P(code) != IS_OBJECT ||
Z_OBJCE_P(code) != mongo_ce_Code) {
if (Z_TYPE_P(code) == IS_STRING) {
zval *obj;
MAKE_STD_ZVAL(obj);
object_init_ex(obj, mongo_ce_Code);
php_mongocode_populate(obj, Z_STRVAL_P(code), Z_STRLEN_P(code), NULL TSRMLS_CC);
code = obj;
} else { /* This is broken code */
php_error_docref(NULL TSRMLS_CC, E_ERROR, "The argument is neither an object of MongoCode or a string");
return;
}
} else {
zval_add_ref(&code);
}
if (!args) {
MAKE_STD_ZVAL(args);
array_init(args);
} else {
zval_add_ref(&args);
}
/* create { $eval : code, args : [] } */
MAKE_STD_ZVAL(cmd);
array_init(cmd);
add_assoc_zval(cmd, "$eval", code);
add_assoc_zval(cmd, "args", args);
/* Check whether we have nolock as an option */
if (options) {
zval **nolock;
if (zend_hash_find(HASH_P(options), "nolock", strlen("nolock") + 1, (void**) &nolock) == SUCCESS) {
convert_to_boolean_ex(nolock);
zval_add_ref(nolock);
add_assoc_zval(cmd, "nolock", *nolock);
}
}
PHP_MONGO_GET_DB(getThis());
retval = php_mongodb_runcommand(db->link, &db->read_pref, Z_STRVAL_P(db->name), Z_STRLEN_P(db->name), cmd, options, 0 TSRMLS_CC);
zval_ptr_dtor(&cmd);
if (retval) {
RETURN_ZVAL(retval, 0, 1);
}
}
static char *get_cmd_ns(char *db, int db_len)
{
char *position;
char *cmd_ns = (char*)emalloc(db_len + strlen("$cmd") + 2);
position = cmd_ns;
/* db */
memcpy(position, db, db_len);
position += db_len;
/* . */
*(position)++ = '.';
/* $cmd */
memcpy(position, "$cmd", strlen("$cmd"));
position += strlen("$cmd");
/* \0 */
*(position) = '\0';
return cmd_ns;
}
PHP_METHOD(MongoDB, command)
{
zval *cmd, *retval, *options = NULL;
mongo_db *db;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "z|a", &cmd, &options) == FAILURE) {
return;
}
MUST_BE_ARRAY_OR_OBJECT(1, cmd);
PHP_MONGO_GET_DB(getThis());
retval = php_mongodb_runcommand(db->link, &db->read_pref, Z_STRVAL_P(db->name), Z_STRLEN_P(db->name), cmd, options, 0 TSRMLS_CC);
if (retval) {
RETVAL_ZVAL(retval, 0, 1);
}
}
/* {{{ Command running helpers */
/* Actually execute the command after doing a few extra checks.
*
* This function can return NULL but *only* if an exception is set. So please
* check for NULL and/or EG(exception) in the calling function. */
zval *php_mongodb_runcommand(zval *zmongoclient, mongo_read_preference *read_preferences, char *dbname, int dbname_len, zval *cmd, zval *options, int cursor_allowed TSRMLS_DC)
{
zval *temp, *cursor, *ns, *retval;
mongo_cursor *cursor_tmp;
mongoclient *link;
char *cmd_ns;
if (
dbname_len == 0 ||
strchr(dbname, ' ') != 0 || strchr(dbname, '.') != 0 || strchr(dbname, '\\') != 0 ||
strchr(dbname, '/') != 0 || strchr(dbname, '$') != 0
) {
zend_throw_exception_ex(zend_exception_get_default(TSRMLS_C), 0 TSRMLS_CC, "MongoDB::__construct(): invalid name %s", dbname);
return NULL;
}
link = (mongoclient*)zend_object_store_get_object(zmongoclient TSRMLS_CC);
/* create db.$cmd */
MAKE_STD_ZVAL(ns);
cmd_ns = get_cmd_ns(dbname, dbname_len);
ZVAL_STRING(ns, cmd_ns, 0);
/* create cursor, with RP inherited from us */
MAKE_STD_ZVAL(cursor);
object_init_ex(cursor, mongo_ce_Cursor);
cursor_tmp = (mongo_cursor*)zend_object_store_get_object(cursor TSRMLS_CC);
mongo_read_preference_replace(read_preferences, &cursor_tmp->read_pref);
MAKE_STD_ZVAL(temp);
ZVAL_NULL(temp);
MONGO_METHOD3(MongoCursor, __construct, temp, cursor, zmongoclient, ns, cmd);
zval_ptr_dtor(&ns);
zval_ptr_dtor(&temp);
MAKE_STD_ZVAL(temp);
ZVAL_NULL(temp);
/* limit: all commands need to have set a limit of -1 */
php_mongo_cursor_set_limit(cursor_tmp, -1);
/* force NumberLong to be returned as an object, but only for command cursors */
if (cursor_allowed) {
php_mongo_cursor_force_long_as_object(cursor_tmp);
}
zval_ptr_dtor(&temp);
if (options) {
zval **timeout;
if (zend_hash_find(HASH_P(options), "timeout", strlen("timeout") + 1, (void**)&timeout) == SUCCESS) {
MAKE_STD_ZVAL(temp);
ZVAL_NULL(temp);
MONGO_METHOD1(MongoCursor, timeout, temp, cursor, *timeout);
zval_ptr_dtor(&temp);
}
}
/* Make sure commands aren't be sent to slaves */
/* This should be refactored alongside with the getLastError redirection in
* collection.c/append_getlasterror. The Cursor creation should be done
* through an init method. */
if (!link->servers) {
zend_throw_exception(mongo_ce_Exception, "The MongoClient object has not been correctly initialized by its constructor", 0 TSRMLS_CC);
return NULL;
}
if (php_mongo_command_supports_rp(cmd)) {
mongo_manager_log(link->manager, MLOG_CON, MLOG_INFO, "command supports Read Preferences");
} else {
mongo_manager_log(link->manager, MLOG_CON, MLOG_INFO, "forcing primary for command");
php_mongo_cursor_force_primary(cursor_tmp);
}
/* query */
MAKE_STD_ZVAL(retval);
MONGO_METHOD(MongoCursor, getNext, retval, cursor);
clear_exception(retval TSRMLS_CC);
zend_objects_store_del_ref(cursor TSRMLS_CC);
zval_ptr_dtor(&cursor);
return retval;
}
/* }}} */
/* {{{ Command cursor helpers */
static int php_mongodb_get_cursor_id(zval *document, int64_t *cursor_id TSRMLS_DC)
{
zval **cursor = NULL, **id = NULL;
zval *id_value;
if (Z_TYPE_P(document) != IS_ARRAY) {
return FAILURE;
}
if (zend_hash_find(Z_ARRVAL_P(document), "cursor", sizeof("cursor"), (void **)&cursor) == FAILURE) {
return FAILURE;
}
if (Z_TYPE_PP(cursor) != IS_ARRAY) {
return FAILURE;
}
if (zend_hash_find(Z_ARRVAL_PP(cursor), "id", sizeof("id"), (void **)&id) == FAILURE) {
return FAILURE;
}
if (Z_TYPE_PP(id) != IS_OBJECT || Z_OBJCE_PP(id) != mongo_ce_Int64) {
return FAILURE;
}
id_value = zend_read_property(mongo_ce_Int64, *id, "value", strlen("value"), NOISY TSRMLS_CC);
if (Z_TYPE_P(id_value) != IS_STRING) {
return FAILURE;
}
*cursor_id = strtoll(Z_STRVAL_P(id_value), NULL, 10);
return SUCCESS;
}
/* }}} */
zval* mongo_db__create_fake_cursor(mongo_connection *connection, char *database, zval *cmd TSRMLS_DC)
{
zval *cursor_zval;
mongo_cursor *cursor;
smart_str ns = { NULL, 0, 0 };
MAKE_STD_ZVAL(cursor_zval);
object_init_ex(cursor_zval, mongo_ce_Cursor);
cursor = (mongo_cursor*)zend_object_store_get_object(cursor_zval TSRMLS_CC);
cursor->query = cmd;
zval_add_ref(&cmd);
if (database) {
smart_str_append(&ns, database);
smart_str_appendl(&ns, ".$cmd", 5);
smart_str_0(&ns);
cursor->ns = ns.c;
} else {
cursor->ns = estrdup("admin.$cmd");
}
cursor->fields = 0;
cursor->limit = -1;
cursor->skip = 0;
cursor->opts = 0;
cursor->current = 0;
cursor->timeout = 0;
php_mongo_cursor_force_command_cursor(cursor);
return cursor_zval;
}
PHP_METHOD(MongoDB, authenticate)
{
mongo_db *db;
mongoclient *link;
char *username, *password;
int ulen, plen, i;
char *error_message;
if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "ss", &username, &ulen, &password, &plen) == FAILURE) {
return;
}
PHP_MONGO_GET_DB(getThis());
PHP_MONGO_GET_LINK(db->link);
/* First we check whether the link already has database/username/password
* set. If so, we can't re-authenticate and bailout. */
if (
link->servers->server[0]->db ||
link->servers->server[0]->username ||
link->servers->server[0]->password
) {
php_error_docref(NULL TSRMLS_CC, E_WARNING, "You can't authenticate an already authenticated connection.");
RETURN_FALSE;
}
/* Update all the servers */
for (i = 0; i < link->servers->count; i++) {
link->servers->server[i]->db = strdup(Z_STRVAL_P(db->name));
link->servers->server[i]->authdb = strdup(Z_STRVAL_P(db->name));
link->servers->server[i]->username = strdup(username);
link->servers->server[i]->password = strdup(password);
}
/* Try to authenticate with the newly set credentials, and fake return
* values to be backwards compatible with previous driver versions. */
array_init(return_value);
if (mongo_get_read_write_connection(link->manager, link->servers, MONGO_CON_FLAG_READ, (char**) &error_message)) {
add_assoc_long(return_value, "ok", 1);
} else {
add_assoc_long(return_value, "ok", 0);
add_assoc_string(return_value, "errmsg", error_message, 1);
/* Reset the credentials since it failed */
for (i = 0; i < link->servers->count; i++) {
free(link->servers->server[i]->db);
link->servers->server[i]->db = NULL;
free(link->servers->server[i]->authdb);
link->servers->server[i]->authdb = NULL;
free(link->servers->server[i]->username);
link->servers->server[i]->username = NULL;
free(link->servers->server[i]->password);
link->servers->server[i]->password = NULL;
}
free(error_message);
}
}
static void clear_exception(zval* return_value TSRMLS_DC)
{
if (EG(exception)) {
zval *e, *doc;