I, moron
[m6w6/ext-http] / http_message_api.c
index a0f5e59ada74c8a79fa40d0ef693dd0b2eb7b117..76de8a43c183b5dc76e49663caed0fa561003fc1 100644 (file)
 /*
+
    +----------------------------------------------------------------------+
+
    | PECL :: http                                                         |
+
    +----------------------------------------------------------------------+
+
    | This source file is subject to version 3.0 of the PHP license, that  |
+
    | is bundled with this package in the file LICENSE, and is available   |
+
    | through the world-wide-web at http://www.php.net/license/3_0.txt.    |
+
    | If you did not receive a copy of the PHP license and are unable to   |
+
    | obtain it through the world-wide-web, please send a note to          |
+
    | license@php.net so we can mail you a copy immediately.               |
+
    +----------------------------------------------------------------------+
+
    | Copyright (c) 2004-2005 Michael Wallner <mike@php.net>               |
+
    +----------------------------------------------------------------------+
+
 */
 
+
+
 /* $Id$ */
 
+
+
 #ifdef HAVE_CONFIG_H
+
 #      include "config.h"
+
 #endif
 
+
+
 #include "php.h"
+
 #include "php_http.h"
+
 #include "php_http_std_defs.h"
+
 #include "php_http_api.h"
+
 #include "php_http_message_api.h"
+
 #include "php_http_headers_api.h"
+
 #include "php_http_send_api.h"
+
 #include "php_http_request_api.h"
+
 #include "php_http_url_api.h"
 
+
+
 #include "phpstr/phpstr.h"
 
+
+
 #define http_message_headers_cb _http_message_headers_cb
+
 static void _http_message_headers_cb(const char *http_line, HashTable **headers, void **message TSRMLS_DC)
+
 {
+
        size_t line_length;
+
        char *crlf = NULL;
+
        http_message *new, *old = (http_message *) *message;
 
+
+
        if (crlf = strstr(http_line, HTTP_CRLF)) {
+
                line_length = crlf - http_line;
+
        } else {
+
                line_length = strlen(http_line);
+
        }
 
+
+
        if (old->type || zend_hash_num_elements(&old->hdrs) || PHPSTR_LEN(old)) {
+
                new = http_message_new();
 
+
+
                new->parent = old;
+
                *message = new;
+
                *headers = &new->hdrs;
+
        } else {
+
                new = old;
+
        }
 
+
+
        while (isspace(http_line[line_length-1])) --line_length;
 
+
+
        // response
+
        if (!strncmp(http_line, "HTTP/1.", lenof("HTTP/1."))) {
+
                new->type = HTTP_MSG_RESPONSE;
+
                new->info.response.http_version = atof(http_line + lenof("HTTP/"));
+
                new->info.response.code = atoi(http_line + lenof("HTTP/1.1 "));
+
        } else
+
        // request
+
        if (!strncmp(http_line + line_length - lenof("HTTP/1.1"), "HTTP/1.", lenof("HTTP/1."))) {
+
                const char *method_sep_uri = strchr(http_line, ' ');
+
                new->type = HTTP_MSG_REQUEST;
+
                new->info.request.http_version = atof(http_line + line_length - lenof("1.1"));
+
                new->info.request.method = estrndup(http_line, method_sep_uri - http_line);
+
                new->info.request.URI = estrndup(method_sep_uri + 1, http_line + line_length - method_sep_uri - 1 - lenof(" HTTP/1.1"));
+
        }
+
 }
 
+
+
 #define http_message_init_type _http_message_init_type
+
 static inline void _http_message_init_type(http_message *message, http_message_type type)
+
 {
+
        switch (message->type = type)
+
        {
+
                case HTTP_MSG_RESPONSE:
+
                        message->info.response.http_version = .0;
+
                        message->info.response.code = 0;
+
                break;
 
+
+
                case HTTP_MSG_REQUEST:
+
                        message->info.request.http_version = .0;
+
                        message->info.request.method = NULL;
+
                        message->info.request.URI = NULL;
+
                break;
 
+
+
                case HTTP_MSG_NONE:
+
                default:
+
                break;
+
        }
+
 }
 
+
+
 #define http_message_header(m, h) _http_message_header_ex((m), (h), sizeof(h))
+
 #define http_message_header_ex _http_message_header_ex
+
 static inline zval *_http_message_header_ex(http_message *msg, char *key_str, size_t key_len)
+
 {
+
        zval **header;
+
        if (SUCCESS == zend_hash_find(&msg->hdrs, key_str, key_len, (void **) &header)) {
+
                return *header;
+
        }
+
        return NULL;
+
 }
 
+
+
 PHP_HTTP_API http_message *_http_message_init_ex(http_message *message, http_message_type type)
+
 {
+
        if (!message) {
+
                message = ecalloc(1, sizeof(http_message));
+
        }
 
+
+
        http_message_init_type(message, type);
+
        message->parent = NULL;
+
        phpstr_init(&message->body);
+
        zend_hash_init(&message->hdrs, 0, NULL, ZVAL_PTR_DTOR, 0);
 
+
+
        return message;
+
 }
 
 
+
+
+
 PHP_HTTP_API void _http_message_set_type(http_message *message, http_message_type type)
+
 {
+
        /* just act if different */
+
        if (type != message->type) {
 
+
+
                /* free request info */
+
                if (message->type == HTTP_MSG_REQUEST) {
+
                        if (message->info.request.method) {
+
                                efree(message->info.request.method);
+
                        }
+
                        if (message->info.request.URI) {
+
                                efree(message->info.request.URI);
+
                        }
+
                }
 
+
+
                /* init */
+
                http_message_init_type(message, type);
+
        }
+
 }
 
+
+
 PHP_HTTP_API http_message *_http_message_parse_ex(http_message *msg, const char *message, size_t message_length TSRMLS_DC)
+
 {
+
        char *body = NULL;
+
        zend_bool free_msg = msg ? 0 : 1;
 
+
+
        if (message_length < HTTP_MSG_MIN_SIZE) {
+
                return NULL;
+
        }
 
+
+
        if (!message) {
+
                return NULL;
+
        }
 
+
+
        msg = http_message_init(msg);
 
+
+
        if (SUCCESS != http_parse_headers_cb(message, &msg->hdrs, 1, http_message_headers_cb, (void **) &msg)) {
+
                if (free_msg) {
+
                        http_message_free(msg);
+
                }
+
                return NULL;
+
        }
 
+
+
        /* header parsing stops at CRLF CRLF */
+
        if (body = strstr(message, HTTP_CRLF HTTP_CRLF)) {
+
                zval *c;
+
                const char *continue_at = NULL;
 
+
+
                body += lenof(HTTP_CRLF HTTP_CRLF);
 
+
+
                /* message has content-length header */
+
                if (c = http_message_header(msg, "Content-Length")) {
+
                        long len = atol(Z_STRVAL_P(c));
+
                        phpstr_from_string_ex(PHPSTR(msg), body, len);
+
                        continue_at = body + len;
+
                } else
 
+
+
                /* message has chunked transfer encoding */
+
                if (c = http_message_header(msg, "Transfer-Encoding")) {
+
                        if (!strcasecmp("chunked", Z_STRVAL_P(c))) {
+
                                char *decoded;
+
                                size_t decoded_len;
 
+
+
                                /* decode and replace Transfer-Encoding with Content-Length header */
+
                                if (continue_at = http_chunked_decode(body, message + message_length - body, &decoded, &decoded_len)) {
+
                                        phpstr_from_string_ex(PHPSTR(msg), decoded, decoded_len);
+
                                        efree(decoded);
+
                                        {
+
                                                zval *len;
+
                                                char *tmp;
 
+
+
                                                spprintf(&tmp, 0, "%lu", decoded_len);
+
                                                MAKE_STD_ZVAL(len);
+
                                                ZVAL_STRING(len, tmp, 0);
 
+
+
                                                zend_hash_del(&msg->hdrs, "Transfer-Encoding", sizeof("Transfer-Encoding"));
+
                                                zend_hash_add(&msg->hdrs, "Content-Length", sizeof("Content-Length"), (void *) &len, sizeof(zval *), NULL);
+
                                        }
+
                                }
+
                        }
+
                } else
 
+
+
                /* message has content-range header */
+
                if (c = http_message_header(msg, "Content-Range")) {
+
                        ulong start = 0, end = 0;
 
+
+
                        sscanf(Z_STRVAL_P(c), "bytes=%lu-%lu", &start, &end);
+
                        if (end > start) {
+
                                phpstr_from_string_ex(PHPSTR(msg), body, (size_t) (end - start));
+
                                continue_at = body + (end - start);
+
                        }
+
                } else
 
+
+
                /* no headers that indicate content length */
+
                if (1) {
+
                        phpstr_from_string_ex(PHPSTR(msg), body, message + message_length - body);
+
                }
 
+
+
                /* check for following messages */
+
                if (continue_at) {
+
                        while (isspace(*continue_at)) ++continue_at;
+
                        if (continue_at < (message + message_length)) {
+
                                http_message *next = NULL, *most = NULL;
 
+
+
                                /* set current message to parent of most parent following messages and return deepest */
+
                                if (most = next = http_message_parse(continue_at, message + message_length - continue_at)) {
+
                                        while (most->parent) most = most->parent;
+
                                        most->parent = msg;
+
                                        msg = next;
+
                                }
+
                        }
+
                }
+
        }
 
+
+
        return msg;
+
 }
 
+
+
 PHP_HTTP_API void _http_message_tostring(http_message *msg, char **string, size_t *length)
+
 {
+
        phpstr str;
+
        char *key, *data;
+
        ulong idx;
+
        zval **header;
 
+
+
        phpstr_init_ex(&str, 4096, 0);
 
+
+
        switch (msg->type)
+
        {
+
                case HTTP_MSG_REQUEST:
+
                        phpstr_appendf(&str, "%s %s HTTP/%1.1f" HTTP_CRLF,
+
                                msg->info.request.method,
+
                                msg->info.request.URI,
+
                                msg->info.request.http_version);
+
                break;
 
+
+
                case HTTP_MSG_RESPONSE:
+
                        phpstr_appendf(&str, "HTTP/%1.1f %d" HTTP_CRLF,
+
                                msg->info.response.http_version,
+
                                msg->info.response.code);
+
                break;
 
+
+
                case HTTP_MSG_NONE:
+
                default:
+
                break;
+
        }
 
+
+
        FOREACH_HASH_KEYVAL(&msg->hdrs, key, idx, header) {
+
                if (key) {
+
                        zval **single_header;
 
+
+
                        switch (Z_TYPE_PP(header))
+
                        {
+
                                case IS_STRING:
+
                                        phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key, Z_STRVAL_PP(header));
+
                                break;
 
+
+
                                case IS_ARRAY:
+
                                        FOREACH_VAL(*header, single_header) {
+
                                                phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key, Z_STRVAL_PP(single_header));
+
                                        }
+
                                break;
+
                        }
 
+
+
                        key = NULL;
+
                }
+
        }
 
+
+
        if (PHPSTR_LEN(msg)) {
+
                phpstr_appends(&str, HTTP_CRLF);
+
                phpstr_append(&str, PHPSTR_VAL(msg), PHPSTR_LEN(msg));
+
                phpstr_appends(&str, HTTP_CRLF);
+
        }
 
+
+
        data = phpstr_data(&str, string, length);
+
        if (!string) {
+
                efree(data);
+
        }
 
+
+
        phpstr_dtor(&str);
+
 }
 
+
+
 PHP_HTTP_API void _http_message_serialize(http_message *message, char **string, size_t *length)
+
 {
+
        char *buf;
+
        size_t len;
+
        phpstr str;
 
+
+
        phpstr_init(&str);
 
+
+
        do {
+
                http_message_tostring(message, &buf, &len);
+
                phpstr_prepend(&str, buf, len);
+
                efree(buf);
+
        } while (message = message->parent);
 
+
+
        buf = phpstr_data(&str, string, length);
+
        if (!string) {
+
                efree(buf);
+
        }
 
+
+
        phpstr_dtor(&str);
+
 }
 
+
+
 PHP_HTTP_API STATUS _http_message_send(http_message *message TSRMLS_DC)
+
 {
+
        STATUS rs = FAILURE;
 
+
+
        switch (message->type)
+
        {
+
                case HTTP_MSG_RESPONSE:
+
                {
+
                        char *key;
+
                        ulong idx;
+
                        zval **val;
 
+
+
                        FOREACH_HASH_KEYVAL(&message->hdrs, key, idx, val) {
+
                                if (key) {
+
                                        char *header;
+
                                        spprintf(&header, 0, "%s: %s", key, Z_STRVAL_PP(val));
+
                                        http_send_header(header);
+
                                        efree(header);
+
                                        key = NULL;
+
                                }
+
                        }
+
                        rs =    SUCCESS == http_send_status(message->info.response.code) &&
+
                                        SUCCESS == http_send_data(PHPSTR_VAL(message), PHPSTR_LEN(message)) ?
+
                                        SUCCESS : FAILURE;
+
                }
+
                break;
 
+
+
                case HTTP_MSG_REQUEST:
+
                {
+
 #ifdef HTTP_HAVE_CURL
+
                        char *uri = NULL;
+
                        zval **zhost, options, headers;
 
+
+
                        array_init(&options);
+
                        array_init(&headers);
+
                        zend_hash_copy(Z_ARRVAL(headers), &message->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *));
+
                        add_assoc_zval(&options, "headers", &headers);
 
+
+
                        /* check host header */
+
                        if (SUCCESS == zend_hash_find(&message->hdrs, "Host", sizeof("Host"), (void **) &zhost)) {
+
                                char *colon = NULL, *host = NULL;
+
                                size_t host_len = 0;
+
                                int port = 0;
 
+
+
                                /* check for port */
+
                                if (colon = strchr(Z_STRVAL_PP(zhost), ':')) {
+
                                        port = atoi(colon + 1);
+
                                        host = estrndup(Z_STRVAL_PP(zhost), host_len = (Z_STRVAL_PP(zhost) - colon - 1));
+
                                } else {
+
                                        host = estrndup(Z_STRVAL_PP(zhost), host_len = Z_STRLEN_PP(zhost));
+
                                }
+
                                uri = http_absolute_uri_ex(
+
                                        message->info.request.URI, strlen(message->info.request.URI),
+
                                        NULL, 0, host, host_len, port);
+
                                efree(host);
+
                        } else {
+
                                uri = http_absolute_uri(message->info.request.URI);
+
                        }
 
+
+
                        if (!strcasecmp("POST", message->info.request.method)) {
+
                                http_request_body body = {HTTP_REQUEST_BODY_CSTRING, PHPSTR_VAL(message), PHPSTR_LEN(message)};
+
                                rs = http_post(uri, &body, Z_ARRVAL(options), NULL, NULL);
+
                        } else
+
                        if (!strcasecmp("GET", message->info.request.method)) {
+
                                rs = http_get(uri, Z_ARRVAL(options), NULL, NULL);
+
                        } else
+
                        if (!strcasecmp("HEAD", message->info.request.method)) {
+
                                rs = http_head(uri, Z_ARRVAL(options), NULL, NULL);
+
                        } else {
+
                                http_error_ex(E_WARNING, HTTP_E_MSG,
+
                                        "Cannot send HttpMessage. Request method %s not supported",
+
                                        message->info.request.method);
+
                        }
 
+
+
                        efree(uri);
+
 #else
+
                        http_error(E_WARNING, HTTP_E_MSG, "HTTP requests not supported - ext/http was not linked against libcurl.");
+
 #endif
+
                }
+
                break;
 
+
+
                case HTTP_MSG_NONE:
+
                default:
+
                        http_error(E_WARNING, HTTP_E_MSG, "HttpMessage is neither of type HTTP_MSG_REQUEST nor HTTP_MSG_RESPONSE");
+
                break;
+
        }
 
+
+
        return rs;
+
 }
 
+
+
 PHP_HTTP_API void _http_message_dtor(http_message *message)
+
 {
+
        if (message) {
+
                zend_hash_destroy(&message->hdrs);
+
                phpstr_dtor(PHPSTR(message));
+
                if (HTTP_MSG_TYPE(REQUEST, message)) {
+
                        if (message->info.request.method) {
+
                                efree(message->info.request.method);
+
                                message->info.request.method = NULL;
+
                        }
+
                        if (message->info.request.URI) {
+
                                efree(message->info.request.URI);
+
                                message->info.request.URI = NULL;
+
                        }
+
                }
+
        }
+
 }
 
+
+
 PHP_HTTP_API void _http_message_free(http_message *message)
+
 {
+
        if (message) {
+
                if (message->parent) {
+
                        http_message_free(message->parent);
+
                        message->parent = NULL;
+
                }
+
                http_message_dtor(message);
+
                efree(message);
+
        }
+
 }
 
+
+
 /*
+
  * Local variables:
+
  * tab-width: 4
+
  * c-basic-offset: 4
+
  * End:
+
  * vim600: noet sw=4 ts=4 fdm=marker
+
  * vim<600: noet sw=4 ts=4
+
  */
+