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oauth.c
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oauth.c
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/*
+----------------------------------------------------------------------+
| See LICENSE file for further copyright information |
+----------------------------------------------------------------------+
| Authors: John Jawed <[email protected]> |
| Felipe Pena <[email protected]> |
| Rasmus Lerdorf <[email protected]> |
+----------------------------------------------------------------------+
*/
/* $Id: oauth.c,v 1.60 2009/05/16 15:46:09 jawed Exp $ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "php.h"
#ifdef PHP_WIN32
#include "win32/time.h"
#endif
#include "SAPI.h"
#include "zend_API.h"
#include "zend_variables.h"
#include "ext/standard/head.h"
#include "php_globals.h"
#include "php_main.h"
#include "php_ini.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_rand.h"
#include "ext/standard/php_smart_str.h"
#include "ext/standard/info.h"
#include "ext/standard/php_string.h"
#include "ext/standard/php_versioning.h"
#include "ext/standard/url.h"
#include "php_variables.h"
#include "zend_exceptions.h"
#include "zend_interfaces.h"
#include "php_globals.h"
#include "ext/standard/file.h"
#include "ext/standard/base64.h"
#include "ext/standard/php_lcg.h"
#include <curl/curl.h>
#include "php_oauth.h"
#define SO_ME(func, arg_info, flags) PHP_ME(oauth, func, arg_info, flags)
#define SO_MALIAS(func, alias, arg_info, flags) PHP_MALIAS(oauth, func, alias, arg_info, flags)
#define SO_METHOD(func) PHP_METHOD(oauth, func)
#define CLEANUP_CURL_AND_FORM(f,h) \
curl_easy_cleanup(h); \
curl_formfree(f);
#define FREE_ARGS_HASH(a) \
if (a) { \
zend_hash_destroy(a); \
FREE_HASHTABLE(a); \
}
#define INIT_SMART_STR(a) \
(a).len = 0; \
(a).c = NULL;
#define HTTP_IS_REDIRECT(http_response_code) \
(http_response_code > 300 && http_response_code < 304)
#define INIT_DEBUG_INFO(a) \
INIT_SMART_STR((a)->headers_in); \
INIT_SMART_STR((a)->headers_out); \
INIT_SMART_STR((a)->body_in); \
INIT_SMART_STR((a)->body_out); \
INIT_SMART_STR((a)->curl_info);
#define FREE_DEBUG_INFO(a) \
smart_str_free(&(a)->headers_in); \
smart_str_free(&(a)->headers_out); \
smart_str_free(&(a)->body_in); \
smart_str_free(&(a)->body_out); \
smart_str_free(&(a)->curl_info);
/* this and code that uses it is from ext/curl/interface.c */
#define CAAL(s, v) add_assoc_long_ex(info, s, sizeof(s), (long) v);
#define CAAD(s, v) add_assoc_double_ex(info, s, sizeof(s), (double) v);
#define CAAS(s, v) add_assoc_string_ex(info, s, sizeof(s), (char *) (v ? v : ""), 1);
#define ADD_DEBUG_INFO(a, k, s, t) \
if(s.len) { \
smart_str_0(&(s)); \
if(t) { \
tmp = php_trim((s).c, (s).len, NULL, 0, NULL, 3 TSRMLS_CC); \
add_assoc_string((a), k, tmp, 1); \
efree(tmp); \
} else { \
add_assoc_string((a), k, (s).c, 1); \
} \
}
#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
static zend_class_entry *soo_class_entry;
static zend_class_entry *soo_exception_ce;
static zend_object_handlers so_object_handlers;
static int oauth_parse_str(char *params, zval *dest_array TSRMLS_DC) /* {{{ */
{
char *res = NULL, *var, *val, *separator = NULL;
char *strtok_buf = NULL;
if (!params) {
return FAILURE;
}
res = params;
separator = (char *) estrdup(PG(arg_separator).input);
var = php_strtok_r(res, separator, &strtok_buf);
while (var) {
val = strchr(var, '=');
if (val) { /* have a value */
int val_len;
*val++ = '\0';
php_url_decode(var, strlen(var));
val_len = php_url_decode(val, strlen(val));
val = estrndup(val, val_len);
} else {
int val_len;
php_url_decode(var, strlen(var));
val_len = 0;
val = estrndup("", val_len);
}
add_assoc_string(dest_array, var, val, 1);
efree(val);
var = php_strtok_r(NULL, separator, &strtok_buf);
}
efree(separator);
return SUCCESS;
}
/* }}} */
static inline php_so_object *fetch_so_object(zval *obj TSRMLS_DC) /* {{{ */
{
php_so_object *soo = (php_so_object *)zend_object_store_get_object(obj TSRMLS_CC);
soo->this_ptr = obj;
return soo;
}
/* }}} */
static int so_set_response_args(HashTable *hasht, zval *data, zval *retarray TSRMLS_DC) /* {{{ */
{
if (data && Z_TYPE_P(data) == IS_STRING) {
ulong h = zend_hash_func(OAUTH_RAW_LAST_RES, sizeof(OAUTH_RAW_LAST_RES));
#if jawed_0
/* don't need this till we fully implement error reporting ... */
if (!onlyraw) {
zend_hash_quick_update(hasht, OAUTH_ATTR_LAST_RES, sizeof(OAUTH_ATTR_LAST_RES), h, &arrayArg, sizeof(zval *), NULL);
} else {
zend_hash_quick_update(hasht, OAUTH_ATTR_LAST_RES, sizeof(OAUTH_ATTR_LAST_RES), h, &rawval, sizeof(zval *), NULL);
h = zend_hash_func(OAUTH_RAW_LAST_RES, sizeof(OAUTH_RAW_LAST_RES));
zend_hash_quick_update(hasht, OAUTH_RAW_LAST_RES, sizeof(OAUTH_RAW_LAST_RES), h, &rawval, sizeof(zval *), NULL);
}
return data;
#endif
if (retarray) {
char *res = NULL;
res = estrndup(Z_STRVAL_P(data), Z_STRLEN_P(data));
/* do not use oauth_parse_str here, we want the result to pass through input filters */
sapi_module.treat_data(PARSE_STRING, res, retarray TSRMLS_CC);
}
return zend_hash_quick_update(hasht, OAUTH_RAW_LAST_RES, sizeof(OAUTH_RAW_LAST_RES), h, &data, sizeof(zval *), NULL);
}
return FAILURE;
}
/* }}} */
static zval *so_set_response_info(HashTable *hasht, zval *info) /* {{{ */
{
ulong h = zend_hash_func(OAUTH_ATTR_LAST_RES_INFO, sizeof(OAUTH_ATTR_LAST_RES_INFO));
if (zend_hash_quick_update(hasht, OAUTH_ATTR_LAST_RES_INFO, sizeof(OAUTH_ATTR_LAST_RES_INFO), h, &info, sizeof(zval *), NULL) != SUCCESS) {
return NULL;
}
return info;
}
/* }}} */
static void so_object_free_storage(void *obj TSRMLS_DC) /* {{{ */
{
php_so_object *soo;
soo = (php_so_object *) obj;
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 3)
if (soo->zo.guards) {
zend_hash_destroy(soo->zo.guards);
FREE_HASHTABLE(soo->zo.guards);
}
if (soo->zo.properties) {
zend_hash_destroy(soo->zo.properties);
FREE_HASHTABLE(soo->zo.properties);
}
#else
zend_object_std_dtor(&soo->zo TSRMLS_CC);
#endif
if (soo->lastresponse.c) {
smart_str_free(&soo->lastresponse);
}
efree(obj);
}
/* }}} */
static zend_object_value php_so_register_object(php_so_object *soo TSRMLS_DC) /* {{{ */
{
zend_object_value rv;
rv.handle = zend_objects_store_put(soo, (zend_objects_store_dtor_t)zend_objects_destroy_object, so_object_free_storage, NULL TSRMLS_CC);
rv.handlers = (zend_object_handlers *) &so_object_handlers;
return rv;
}
/* }}} */
static php_so_object* php_so_object_new(zend_class_entry *ce TSRMLS_DC) /* {{{ */
{
php_so_object *nos;
nos = ecalloc(1, sizeof(php_so_object));
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 3)
ALLOC_HASHTABLE(nos->zo.properties);
zend_hash_init(nos->zo.properties, 0, NULL, ZVAL_PTR_DTOR, 0);
nos->zo.ce = ce;
nos->zo.guards = NULL;
#else
zend_object_std_init(&nos->zo, ce TSRMLS_CC);
#endif
return nos;
}
/* }}} */
static zend_object_value new_so_object(zend_class_entry *ce TSRMLS_DC) /* {{{ */
{
php_so_object *soo;
soo = php_so_object_new(ce TSRMLS_CC);
return php_so_register_object(soo TSRMLS_CC);
}
/* }}} */
void soo_handle_error(php_so_object *soo, long errorCode, char *msg, char *response TSRMLS_DC) /* {{{ */
{
zval *ex;
#if (PHP_MAJOR_VERSION == 5 && PHP_MINOR_VERSION < 2)
zend_class_entry *dex = zend_exception_get_default(), *soox = soo_exception_ce;
#else
zend_class_entry *dex = zend_exception_get_default(TSRMLS_C), *soox = soo_exception_ce;
#endif
MAKE_STD_ZVAL(ex);
object_init_ex(ex, soox);
if(!errorCode) {
php_error(E_WARNING, "caller did not pass an errorcode!");
} else {
zend_update_property_long(dex, ex, "code", sizeof("code")-1, errorCode TSRMLS_CC);
}
if(response) {
zend_update_property_string(dex, ex, "lastResponse", sizeof("lastResponse")-1, response TSRMLS_CC);
}
if(soo->debug && soo->debugArr) {
zend_update_property(dex, ex, "debugInfo", sizeof("debugInfo") - 1, soo->debugArr TSRMLS_CC);
}
zend_update_property_string(dex, ex, "message", sizeof("message")-1, msg TSRMLS_CC);
zend_throw_exception_object(ex TSRMLS_CC);
}
/* }}} */
static void oauth_prop_hash_dtor(php_so_object *soo TSRMLS_DC) /* {{{ */
{
HashTable *ht;
ht = soo->properties;
FREE_ARGS_HASH(ht);
}
/* }}} */
static char *soo_hmac_sha1(php_so_object *soo, char *message, zval *cs, zval *ts TSRMLS_DC) /* {{{ */
{
zval *args[4],*retval,*func;
char *tret;
int ret,retlen;
unsigned char *result;
MAKE_STD_ZVAL(func);
ZVAL_STRING(func, "hash_hmac", 0);
if (!zend_is_callable(func, 0, NULL OAUTH_IS_CALLABLE_CC)) {
FREE_ZVAL(func);
soo_handle_error(soo, OAUTH_ERR_INTERNAL_ERROR, "HMAC signature generation failed, is ext/hash installed?", NULL TSRMLS_CC);
return NULL;
}
if (ts) {
spprintf(&tret, 0, "%s&%s", Z_STRVAL_P(cs), Z_STRVAL_P(ts));
} else {
spprintf(&tret, 0, "%s&", Z_STRVAL_P(cs));
}
MAKE_STD_ZVAL(retval);
MAKE_STD_ZVAL(args[0]);
MAKE_STD_ZVAL(args[1]);
MAKE_STD_ZVAL(args[2]);
MAKE_STD_ZVAL(args[3]);
ZVAL_STRING(args[0], "sha1", 0);
ZVAL_STRING(args[1], message, 0);
ZVAL_STRING(args[2], tret, 0);
ZVAL_BOOL(args[3], 1);
ret = call_user_function(EG(function_table), NULL, func, retval, 4, args TSRMLS_CC);
result = php_base64_encode((unsigned char *)Z_STRVAL_P(retval), Z_STRLEN_P(retval), &retlen);
efree(tret);
zval_ptr_dtor(&retval);
FREE_ZVAL(func);
FREE_ZVAL(args[0]);
FREE_ZVAL(args[1]);
FREE_ZVAL(args[2]);
FREE_ZVAL(args[3]);
return (char *)result;
}
/* }}} */
static int soo_set_nonce(php_so_object *soo TSRMLS_DC) /* {{{ */
{
zval *data_ptr, *zonc;
char *uniqid;
int sec, usec;
struct timeval tv;
ulong h = zend_hash_func(OAUTH_ATTR_OAUTH_NONCE, sizeof(OAUTH_ATTR_OAUTH_NONCE));
if (zend_hash_quick_find(soo->properties, OAUTH_ATTR_OAUTH_USER_NONCE, sizeof(OAUTH_ATTR_OAUTH_NONCE), h, (void *)&data_ptr) == SUCCESS) {
Z_ADDREF_P(data_ptr);
return soo_set_property(soo, data_ptr, OAUTH_ATTR_OAUTH_NONCE TSRMLS_CC);
}
/* XXX maybe find a better way to generate a nonce... */
gettimeofday((struct timeval *) &tv, (struct timezone *) NULL);
sec = (int) tv.tv_sec;
usec = (int) (tv.tv_usec % 0x100000);
spprintf(&uniqid, 0, "%ld%08x%05x%.8f", php_rand(TSRMLS_C), sec, usec, php_combined_lcg(TSRMLS_C) * 10);
MAKE_STD_ZVAL(zonc);
ZVAL_STRING(zonc, uniqid, 1);
efree(uniqid);
return soo_set_property(soo, zonc, OAUTH_ATTR_OAUTH_NONCE TSRMLS_CC);
}
/* }}} */
static inline zval **soo_get_property(php_so_object *soo, char *prop_name TSRMLS_DC) /* {{{ */
{
size_t prop_len = 0;
void *data_ptr;
ulong h;
if (!strcmp(prop_name, OAUTH_ATTR_OAUTH_NONCE) && soo_set_nonce(soo TSRMLS_CC) == FAILURE) {
soo_handle_error(soo, OAUTH_ERR_INTERNAL_ERROR, "Failed generating nonce", NULL TSRMLS_CC);
return NULL;
}
prop_len = strlen(prop_name);
h = zend_hash_func(prop_name, prop_len+1);
if (zend_hash_quick_find(soo->properties, prop_name, prop_len+1, h, (void **)&data_ptr) == SUCCESS) {
return (zval **)data_ptr;
}
return NULL;
}
/* }}} */
/* XXX for auth type, need to make sure that the auth type is actually supported before setting */
static inline int soo_set_property(php_so_object *soo, zval *prop, char *prop_name TSRMLS_DC) /* {{{ */
{
size_t prop_len = 0;
ulong h;
prop_len = strlen(prop_name);
h = zend_hash_func(prop_name, prop_len+1);
return zend_hash_quick_update(soo->properties, prop_name, prop_len+1, h, (void *)&prop, sizeof(zval *), NULL);
}
/* }}} */
static char *oauth_url_encode(char *url) /* {{{ */
{
char *urlencoded = NULL, *ret;
int out_len, ret_len;
if(url) {
urlencoded = php_raw_url_encode(url, strlen(url), &out_len);
}
if (urlencoded) {
ret = php_str_to_str_ex(urlencoded, out_len, "%7E", sizeof("%7E")-1, "~", sizeof("~")-1, &ret_len, 0, NULL);
efree(urlencoded);
return ret;
}
return NULL;
}
/* }}} */
/* build url-encoded string from args, optionally starting with & and optionally filter oauth params or non-oauth params */
int oauth_http_build_query(smart_str *s, HashTable *args, zend_bool prepend_amp, int filter)
{
void *cur_val;
char *arg_key = NULL, *cur_key = NULL, *param_value;
int numargs = 0;
int is_oauth_param = 0;
ulong idx = 0;
HashPosition pos;
if (args) {
for (zend_hash_internal_pointer_reset_ex(args, &pos);
zend_hash_get_current_key_ex(args, &cur_key, 0, &idx, 0, &pos) != HASH_KEY_NON_EXISTANT;
zend_hash_move_forward_ex(args, &pos)) {
if(cur_key) {
is_oauth_param = !strncmp(OAUTH_PARAM_PREFIX, cur_key, OAUTH_PARAM_PREFIX_LEN);
} else {
is_oauth_param = 0;
}
/* apply filter where applicable */
if (filter==PARAMS_FILTER_NONE
|| (filter==PARAMS_FILTER_OAUTH && !is_oauth_param)
|| (filter==PARAMS_FILTER_NON_OAUTH && is_oauth_param)) {
if (prepend_amp) {
smart_str_appendc(s, '&');
}
zend_hash_get_current_data_ex(args, (void **)&cur_val, &pos);
arg_key = oauth_url_encode(cur_key);
param_value = oauth_url_encode(Z_STRVAL_PP((zval **)cur_val));
if(arg_key) {
smart_str_appends(s, arg_key);
efree(arg_key);
}
if (param_value) {
smart_str_appendc(s, '=');
smart_str_appends(s, param_value);
efree(param_value);
}
prepend_amp = TRUE;
++numargs;
}
}
}
return numargs;
}
/* retrieves parameter value from the _GET or _POST superglobal */
void get_request_param(char *arg_name, char **return_val, int *return_len TSRMLS_DC)
{
zval **ptr;
if (
(PG(http_globals)[TRACK_VARS_GET] && SUCCESS==zend_hash_find(HASH_OF(PG(http_globals)[TRACK_VARS_GET]), arg_name, strlen(arg_name)+1, (void*)&ptr) && IS_STRING==Z_TYPE_PP(ptr)) ||
(PG(http_globals)[TRACK_VARS_POST] && SUCCESS==zend_hash_find(HASH_OF(PG(http_globals)[TRACK_VARS_POST]), arg_name, strlen(arg_name)+1, (void*)&ptr) && IS_STRING==Z_TYPE_PP(ptr))
) {
*return_val = Z_STRVAL_PP(ptr);
*return_len = Z_STRLEN_PP(ptr);
return;
}
*return_val = NULL;
*return_len = 0;
}
/*
* This function does not currently care to respect parameter precedence, in the sense that if a common param is defined
* in POST/GET or Authorization header, the precendence is defined by: OAuth Core 1.0 section 9.1.1
*/
static char *oauth_generate_sig_base(php_so_object *soo, const char *http_method, const char *uri, HashTable *post_args, HashTable *extra_args TSRMLS_DC) /* {{{ */
{
zval *func, *exret2, *exargs2[2];
ulong oauth_sig_h;
zend_bool prepend_amp = FALSE;
char *query;
char *s_port = NULL, *bufz = NULL, *sbs_query_part = NULL, *sbs_scheme_part = NULL;
HashTable *decoded_args;
php_url *urlparts;
smart_str sbuf = {0}, squery = {0};
int numargs = 0;
urlparts = php_url_parse_ex(uri, strlen(uri));
if (urlparts) {
if (!urlparts->host && !urlparts->scheme) {
soo_handle_error(soo, OAUTH_ERR_INTERNAL_ERROR, "Invalid url when trying to build base signature string", NULL TSRMLS_CC);
php_url_free(urlparts);
return NULL;
}
smart_str_appends(&sbuf, urlparts->scheme);
smart_str_appends(&sbuf, "://");
smart_str_appends(&sbuf, urlparts->host);
if (urlparts->port && ((!strcmp("http", urlparts->scheme) && OAUTH_HTTP_PORT != urlparts->port)
|| (!strcmp("https", urlparts->scheme) && OAUTH_HTTPS_PORT != urlparts->port))) {
spprintf(&s_port, 0, "%d", urlparts->port);
smart_str_appendc(&sbuf, ':');
smart_str_appends(&sbuf, s_port);
efree(s_port);
}
if (urlparts->path) {
smart_str_appends(&sbuf, urlparts->path);
smart_str_0(&sbuf);
numargs += oauth_http_build_query(&squery, post_args, FALSE, PARAMS_FILTER_NONE);
numargs += oauth_http_build_query(&squery, extra_args, numargs ? TRUE : FALSE, PARAMS_FILTER_NONE);
if (urlparts->query) {
smart_str_appendc(&squery, '&');
smart_str_appends(&squery, urlparts->query);
}
MAKE_STD_ZVAL(func);
MAKE_STD_ZVAL(exret2);
MAKE_STD_ZVAL(exargs2[0]);
array_init(exargs2[0]);
smart_str_0(&squery);
query = estrdup(squery.c);
oauth_parse_str(query, exargs2[0] TSRMLS_CC);
efree(query);
smart_str_free(&squery);
/* remove oauth_signature if it's in the hash */
oauth_sig_h = zend_hash_func(OAUTH_PARAM_SIGNATURE, sizeof(OAUTH_PARAM_SIGNATURE));
zend_hash_quick_del(Z_ARRVAL_P(exargs2[0]), OAUTH_PARAM_SIGNATURE, sizeof(OAUTH_PARAM_SIGNATURE), oauth_sig_h);
MAKE_STD_ZVAL(exargs2[1]);
ZVAL_STRING(exargs2[1], "strnatcmp", 0);
ZVAL_STRING(func, "uksort", 0);
/* now the extra args */
call_user_function(EG(function_table), NULL, func, exret2, 2, exargs2 TSRMLS_CC);
zval_ptr_dtor(&exret2);
if (Z_TYPE_P(exargs2[0]) == IS_ARRAY) {
/* time to re-invent the query */
if (Z_ARRVAL_P(exargs2[0])) {
decoded_args = Z_ARRVAL_P(exargs2[0]);
prepend_amp = FALSE;
/* this one should check if values are non empty */
oauth_http_build_query(&squery, decoded_args, FALSE, PARAMS_FILTER_NONE);
smart_str_0(&squery);
} else {
soo_handle_error(soo, OAUTH_ERR_INTERNAL_ERROR, "Was not able to get oauth parameters!", NULL TSRMLS_CC);
}
}
FREE_ZVAL(func);
zval_ptr_dtor(&exargs2[0]);
FREE_ZVAL(exargs2[1]);
sbs_query_part = oauth_url_encode(squery.c);
sbs_scheme_part = oauth_url_encode(sbuf.c);
spprintf(&bufz, 0, "%s&%s&%s", http_method, sbs_scheme_part, sbs_query_part);
/* TODO move this into oauth_get_http_method()
soo_handle_error(OAUTH_ERR_INTERNAL_ERROR, "Invalid auth type", NULL TSRMLS_CC);
*/
if(sbs_query_part) {
efree(sbs_query_part);
}
if(sbs_scheme_part) {
efree(sbs_scheme_part);
}
smart_str_free(&sbuf);
smart_str_free(&squery);
}
php_url_free(urlparts);
if(soo && soo->debug) {
if(soo->debug_info->sbs) {
efree(soo->debug_info->sbs);
}
soo->debug_info->sbs = estrdup(bufz);
}
return bufz;
}
return NULL;
}
/* }}} */
static size_t soo_read_response(char *ptr, size_t size, size_t nmemb, void *ctx)
{
uint relsize;
php_so_object *soo = (php_so_object *)ctx;
relsize = size * nmemb;
smart_str_appendl(&soo->lastresponse, ptr, relsize);
return relsize;
}
int oauth_debug_handler(CURL *ch, curl_infotype type, char *data, size_t data_len, void *ctx) /* {{{ */
{
php_so_debug *sdbg;
char *z_data = NULL;
smart_str *dest;
if(data_len > 1 && data[0]=='\r' && data[1]=='\n') { /* ignore \r\n */
return 0;
}
sdbg = (php_so_debug *)ctx;
z_data = emalloc(data_len + 2);
memset(z_data, 0, data_len + 2);
memcpy(z_data, data, data_len);
z_data[data_len] = '\0';
switch(type) {
case CURLINFO_TEXT:
dest = &sdbg->curl_info;
break;
case CURLINFO_HEADER_IN:
dest = &sdbg->headers_in;
break;
case CURLINFO_HEADER_OUT:
dest = &sdbg->headers_out;
break;
case CURLINFO_DATA_IN:
dest = &sdbg->body_in;
break;
case CURLINFO_DATA_OUT:
dest = &sdbg->body_out;
break;
default:
dest = NULL;
}
if(dest) {
smart_str_appends(dest, z_data);
}
efree(z_data);
return 0;
}
/* }}} */
static size_t soo_read_header(void *ptr, size_t size, size_t nmemb, void *ctx)
{
char *header;
size_t hlen;
php_so_object *soo;
unsigned int xhead_clen = 0;
unsigned int location_len = 8;
header = (char *)ptr;
hlen = nmemb * size;
soo = (php_so_object *)ctx;
if(header[hlen]!='\0')
{
header[hlen] = '\0';
}
/* handle Location header */
if(hlen > location_len && !strncasecmp(header,"Location",location_len)) {
header += location_len + 1 /*:*/;
xhead_clen += location_len;
while(*header==' ' && xhead_clen<(OAUTH_MAX_HEADER_LEN))
{
header++;
++xhead_clen;
}
strncpy(soo->last_location_header,header,hlen - xhead_clen - 3 /*\r\n\0*/);
}
return hlen;
}
static void oauth_set_debug_info(php_so_object *soo TSRMLS_DC) {
zval *debugInfo;
char *tmp;
if(soo->debug_info) {
debugInfo = soo->debugArr;
if(!debugInfo) {
ALLOC_INIT_ZVAL(debugInfo);
array_init(debugInfo);
} else {
FREE_ARGS_HASH(HASH_OF(debugInfo));
array_init(debugInfo);
}
if(soo->debug_info->sbs) {
add_assoc_string(debugInfo, "sbs", soo->debug_info->sbs, 1);
}
ADD_DEBUG_INFO(debugInfo, "headers_sent", soo->debug_info->headers_out, 1);
ADD_DEBUG_INFO(debugInfo, "headers_recv", soo->debug_info->headers_in, 1);
ADD_DEBUG_INFO(debugInfo, "body_sent", soo->debug_info->body_out, 0);
ADD_DEBUG_INFO(debugInfo, "body_recv", soo->debug_info->body_in, 0);
ADD_DEBUG_INFO(debugInfo, "info", soo->debug_info->curl_info, 0);
zend_update_property(soo_class_entry, soo->this_ptr, "debugInfo", sizeof("debugInfo") - 1, debugInfo TSRMLS_CC);
soo->debugArr = debugInfo;
} else {
soo->debugArr = NULL;
}
}
static int add_arg_for_req(HashTable *ht, const char *arg, const char *val TSRMLS_DC) /* {{{ */
{
zval *varg;
ulong h;
MAKE_STD_ZVAL(varg);
ZVAL_STRING(varg, (char *)val, 1);
h = zend_hash_func((char *)arg, strlen(arg)+1);
zend_hash_quick_update(ht, (char *)arg, strlen(arg)+1, h, &varg, sizeof(zval *), NULL);
return SUCCESS;
}
/* }}} */
void oauth_add_signature_header(HashTable *request_headers, HashTable *oauth_args TSRMLS_DC)
{
smart_str sheader = {0};
zend_bool prepend_comma = FALSE;
zval **curval;
char *param_name, *param_val, *cur_key;
uint cur_key_len;
ulong num_key;
smart_str_appends(&sheader, "OAuth ");
for (zend_hash_internal_pointer_reset(oauth_args);
zend_hash_get_current_data(oauth_args, (void *)&curval) == SUCCESS;
zend_hash_move_forward(oauth_args)) {
zend_hash_get_current_key_ex(oauth_args, &cur_key, &cur_key_len, &num_key, 0, NULL);
if (prepend_comma) {
smart_str_appendc(&sheader, ',');
}
param_name = oauth_url_encode(cur_key);
param_val = oauth_url_encode(Z_STRVAL_PP(curval));
smart_str_appends(&sheader, param_name);
smart_str_appendc(&sheader, '=');
smart_str_appends(&sheader, "\"");
smart_str_appends(&sheader, param_val);
smart_str_appends(&sheader, "\"");
efree(param_name);
efree(param_val);
prepend_comma = TRUE;
}
smart_str_0(&sheader);
add_arg_for_req(request_headers, "Authorization", sheader.c TSRMLS_CC);
smart_str_free(&sheader);
}
static CURLcode make_req(php_so_object *soo, const char *url, const smart_str *payload, const char *http_method, HashTable *request_headers TSRMLS_DC) /* {{{ */
{
CURLcode cres, ctres, crres;
CURL *curl;
struct curl_slist *curl_headers = NULL;
long l_code, response_code = -1;
double d_code;
zval *info, **zca_info, **zca_path;
void *p_cur;
char *s_code, *cur_key, *content_type = NULL, *bufz = NULL;
char *auth_type = NULL;
uint cur_key_len, sslcheck;
ulong num_key;
smart_str rheader = {0};
auth_type = Z_STRVAL_PP(soo_get_property(soo, OAUTH_ATTR_AUTHMETHOD TSRMLS_CC));
zca_info = soo_get_property(soo, OAUTH_ATTR_CA_INFO TSRMLS_CC);
zca_path = soo_get_property(soo, OAUTH_ATTR_CA_PATH TSRMLS_CC);
sslcheck = soo->sslcheck;
curl = curl_easy_init();
if (request_headers) {
for (zend_hash_internal_pointer_reset(request_headers);
zend_hash_get_current_data(request_headers, (void **)&p_cur) == SUCCESS;
zend_hash_move_forward(request_headers)) {
/* check if a string based key is used */
if (HASH_KEY_IS_STRING==zend_hash_get_current_key_ex(request_headers, &cur_key, &cur_key_len, &num_key, 0, NULL)) {
smart_str_appends(&rheader, cur_key);
smart_str_appends(&rheader, ": ");
smart_str_appends(&rheader, Z_STRVAL_PP((zval **)p_cur));
smart_str_0(&rheader);
curl_headers = curl_slist_append(curl_headers, rheader.c);
smart_str_free(&rheader);
}
}
}
if (payload->len) {
curl_easy_setopt(curl, CURLOPT_POSTFIELDS, payload->c);
curl_easy_setopt(curl, CURLOPT_POSTFIELDSIZE, payload->len);
}
curl_easy_setopt(curl, CURLOPT_URL, url);
/* the fetch method takes precedence so figure it out after we've added the OAuth params */
curl_easy_setopt(curl, CURLOPT_CUSTOMREQUEST, http_method);
/* Disable sending the 100 Expect header for POST requests */
/* Other notes: if there is a redirect the POST becomes a GET request, see curl_easy_setopt(3) and the CURLOPT_POSTREDIR option for more information */
curl_headers = curl_slist_append(curl_headers, "Expect:");
curl_easy_setopt(curl, CURLOPT_HTTPHEADER, curl_headers);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, soo_read_response);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, soo);
if(!sslcheck) {
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0);
} else {
if(zca_path && Z_STRLEN_PP(zca_path)) {
curl_easy_setopt(curl, CURLOPT_CAPATH, Z_STRVAL_PP(zca_path));
}
if(zca_info && Z_STRLEN_PP(zca_info)) {
curl_easy_setopt(curl, CURLOPT_CAINFO, Z_STRVAL_PP(zca_info));
}
}
curl_easy_setopt(curl, CURLOPT_HEADERFUNCTION, soo_read_header);
curl_easy_setopt(curl, CURLOPT_WRITEHEADER, soo);
if(soo->debug) {
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1);
}
#if defined(ZTS)
curl_easy_setopt(curl, CURLOPT_NOSIGNAL, 1);
#endif
#if LIBCURL_VERSION_NUM >= 0x071304
curl_easy_setopt(curl, CURLOPT_PROTOCOLS, OAUTH_PROTOCOLS_ALLOWED);
#endif
smart_str_free(&soo->lastresponse);
if(soo->debug) {
if(soo->debug_info->sbs) {
FREE_DEBUG_INFO(soo->debug_info);
}
INIT_DEBUG_INFO(soo->debug_info);
curl_easy_setopt(curl, CURLOPT_DEBUGFUNCTION, oauth_debug_handler);
curl_easy_setopt(curl, CURLOPT_DEBUGDATA, soo->debug_info);
}
cres = curl_easy_perform(curl);
smart_str_0(&soo->lastresponse);
if (curl_headers) {
curl_slist_free_all(curl_headers);
}
if (CURLE_OK == cres) {
ctres = curl_easy_getinfo(curl, CURLINFO_CONTENT_TYPE, &content_type);
crres = curl_easy_getinfo(curl, CURLINFO_RESPONSE_CODE, &response_code);
if (CURLE_OK == crres && ctres == CURLE_OK) {
ALLOC_INIT_ZVAL(info);
array_init(info);
CAAL("http_code", response_code);
if (HTTP_IS_REDIRECT(response_code) && soo->last_location_header) {
CAAS("redirect_url", soo->last_location_header);
}
if (content_type != NULL) {
CAAS("content_type", content_type);
}
if (curl_easy_getinfo(curl, CURLINFO_EFFECTIVE_URL, &s_code) == CURLE_OK) {
CAAS("url", s_code);
}
if (curl_easy_getinfo(curl, CURLINFO_HEADER_SIZE, &l_code) == CURLE_OK) {
CAAL("header_size", l_code);
}
if (curl_easy_getinfo(curl, CURLINFO_REQUEST_SIZE, &l_code) == CURLE_OK) {
CAAL("request_size", l_code);
}
if (curl_easy_getinfo(curl, CURLINFO_FILETIME, &l_code) == CURLE_OK) {
CAAL("filetime", l_code);
}
if (curl_easy_getinfo(curl, CURLINFO_SSL_VERIFYRESULT, &l_code) == CURLE_OK) {
CAAL("ssl_verify_result", l_code);
}
if (curl_easy_getinfo(curl, CURLINFO_REDIRECT_COUNT, &l_code) == CURLE_OK) {
CAAL("redirect_count", l_code);
}
if (curl_easy_getinfo(curl, CURLINFO_TOTAL_TIME,&d_code) == CURLE_OK) {
CAAD("total_time", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_NAMELOOKUP_TIME, &d_code) == CURLE_OK) {
CAAD("namelookup_time", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_CONNECT_TIME, &d_code) == CURLE_OK) {
CAAD("connect_time", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_PRETRANSFER_TIME, &d_code) == CURLE_OK) {
CAAD("pretransfer_time", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_SIZE_UPLOAD, &d_code) == CURLE_OK){
CAAD("size_upload", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_SIZE_DOWNLOAD, &d_code) == CURLE_OK){
CAAD("size_download", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_SPEED_DOWNLOAD, &d_code) == CURLE_OK){
CAAD("speed_download", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_SPEED_UPLOAD, &d_code) == CURLE_OK){
CAAD("speed_upload", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_DOWNLOAD, &d_code) == CURLE_OK) {
CAAD("download_content_length", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_CONTENT_LENGTH_UPLOAD, &d_code) == CURLE_OK) {
CAAD("upload_content_length", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_STARTTRANSFER_TIME, &d_code) == CURLE_OK){
CAAD("starttransfer_time", d_code);
}
if (curl_easy_getinfo(curl, CURLINFO_REDIRECT_TIME, &d_code) == CURLE_OK){
CAAD("redirect_time", d_code);
}
so_set_response_info(soo->properties, info);
}
} else {
spprintf(&bufz, 0, "making the request failed (%s)", curl_easy_strerror(cres));
soo_handle_error(soo, -1, bufz, soo->lastresponse.c TSRMLS_CC);
efree(bufz);
}
if(soo->debug) {
oauth_set_debug_info(soo TSRMLS_CC);
}
curl_easy_cleanup(curl);
return response_code;
}
/* }}} */
static void make_standard_query(HashTable *ht, php_so_object *soo TSRMLS_DC) /* {{{ */
{
char *tb;
time_t now;
now = time(NULL);
/* XXX allow caller to set timestamp, if none set, then default to "now" */
spprintf(&tb, 0, "%d", (int)now);
add_arg_for_req(ht, OAUTH_PARAM_CONSUMER_KEY, Z_STRVAL_PP(soo_get_property(soo, OAUTH_ATTR_CONSUMER_KEY TSRMLS_CC)) TSRMLS_CC);
add_arg_for_req(ht, OAUTH_PARAM_SIGNATURE_METHOD, Z_STRVAL_PP(soo_get_property(soo, OAUTH_ATTR_SIGMETHOD TSRMLS_CC)) TSRMLS_CC);
add_arg_for_req(ht, OAUTH_PARAM_NONCE, Z_STRVAL_PP(soo_get_property(soo, OAUTH_ATTR_OAUTH_NONCE TSRMLS_CC)) TSRMLS_CC);
add_arg_for_req(ht, OAUTH_PARAM_TIMESTAMP, tb TSRMLS_CC);
add_arg_for_req(ht, OAUTH_PARAM_VERSION, Z_STRVAL_PP(soo_get_property(soo, OAUTH_ATTR_OAUTH_VERSION TSRMLS_CC)) TSRMLS_CC);
efree(tb);
}
/* }}} */
/*
Returns the default http method to use with the different auth types
*/
static const char *oauth_get_http_method(php_so_object *soo, const char *http_method TSRMLS_DC) /* {{{ */
{
char *auth_type = Z_STRVAL_PP(soo_get_property(soo, OAUTH_ATTR_AUTHMETHOD TSRMLS_CC));
if (0==strcmp(auth_type, OAUTH_AUTH_TYPE_FORM)) {
return OAUTH_HTTP_METHOD_POST;