X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=http_message_api.c;h=36b3098737ce0e672137d881b8214bc74d1bd115;hp=0a90f398729829867480207662eedd17eff96304;hb=7482519f97dbcb643318a44da8ba9167205c441a;hpb=8e0888ae0a13ad81856a3d4672d480b7b68f687b diff --git a/http_message_api.c b/http_message_api.c index 0a90f39..36b3098 100644 --- a/http_message_api.c +++ b/http_message_api.c @@ -18,42 +18,71 @@ #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" -PHP_HTTP_API void _http_message_dtor(http_message *message) +ZEND_EXTERN_MODULE_GLOBALS(http); + +#define http_message_info_callback _http_message_info_callback +static void _http_message_info_callback(http_message **message, HashTable **headers, http_info *info TSRMLS_DC) { - if (message) { - zend_hash_destroy(&message->hdrs); - phpstr_dtor(PHPSTR(message)); - if (message->raw) { - efree(message->raw); - } - 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); - } - } + http_message *old = *message; + + /* advance message */ + if (old->type || zend_hash_num_elements(&old->hdrs) || PHPSTR_LEN(old)) { + (*message) = http_message_new(); + (*message)->parent = old; + (*headers) = &((*message)->hdrs); + } + + (*message)->http.version = info->http.version; + + switch (info->type) + { + case IS_HTTP_REQUEST: + (*message)->type = HTTP_MSG_REQUEST; + HTTP_INFO(*message).request.URI = estrdup(HTTP_INFO(info).request.URI); + HTTP_INFO(*message).request.method = estrdup(HTTP_INFO(info).request.method); + break; + + case IS_HTTP_RESPONSE: + (*message)->type = HTTP_MSG_RESPONSE; + HTTP_INFO(*message).response.code = HTTP_INFO(info).response.code; + HTTP_INFO(*message).response.status = estrdup(HTTP_INFO(info).response.status); + break; } } -PHP_HTTP_API void _http_message_free(http_message *message) +#define http_message_init_type _http_message_init_type +static inline void _http_message_init_type(http_message *message, http_message_type type) { - if (message) { - if (message->nested) { - http_message_free(message->nested); - } - http_message_dtor(message); - efree(message); + message->http.version = .0; + + switch (message->type = type) + { + case HTTP_MSG_RESPONSE: + message->http.info.response.code = 0; + message->http.info.response.status = NULL; + break; + + case HTTP_MSG_REQUEST: + message->http.info.request.method = NULL; + message->http.info.request.URI = NULL; + break; + + case HTTP_MSG_NONE: + default: + break; } } @@ -63,70 +92,130 @@ PHP_HTTP_API http_message *_http_message_init_ex(http_message *message, http_mes message = ecalloc(1, sizeof(http_message)); } - message->type = type; - message->nested = NULL; + 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 http_message *_http_message_parse_ex(char *message, size_t length, zend_bool dup TSRMLS_DC) + +PHP_HTTP_API void _http_message_set_type(http_message *message, http_message_type type) { - char *message_start = message, *body = NULL; - size_t message_length = length, header_length = 0; - http_message *msg; + /* just act if different */ + if (type != message->type) { - if (length < HTTP_MSG_MIN_SIZE) { - return NULL; + /* free request info */ + switch (message->type) + { + case HTTP_MSG_REQUEST: + STR_FREE(message->http.info.request.method); + STR_FREE(message->http.info.request.URI); + break; + + case HTTP_MSG_RESPONSE: + STR_FREE(message->http.info.response.status); + break; + + default: + break; + } + + /* init */ + http_message_init_type(message, type); } - if (!message) { +} + +PHP_HTTP_API http_message *_http_message_parse_ex(http_message *msg, const char *message, size_t message_length TSRMLS_DC) +{ + const char *body = NULL; + zend_bool free_msg = msg ? 0 : 1; + + if ((!message) || (message_length < HTTP_MSG_MIN_SIZE)) { return NULL; } - if (!(message_start = strstr(message, HTTP_CRLF))) { + msg = http_message_init(msg); + + if (SUCCESS != http_parse_headers_cb(message, &msg->hdrs, 1, (http_info_callback) http_message_info_callback, (void **) &msg)) { + if (free_msg) { + http_message_free(&msg); + } return NULL; } - msg = http_message_init(); + /* header parsing stops at (CR)LF (CR)LF */ + if (body = http_locate_body(message)) { + zval *c; + const char *continue_at = NULL; - msg->len = length; - msg->raw = dup ? estrndup(message, length) : message; + /* 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; - // response - if (!strncmp(message, "HTTP/1.", lenof("HTTP/1."))) { - msg->type = HTTP_MSG_RESPONSE; - msg->info.response.http_version = atof(message + lenof("HTTP/")); - msg->info.response.status = atoi(message + lenof("HTTP/1.1 ")); - } else - // request - if (!strncmp(message_start - lenof("HTTP/1.1"), "HTTP/1.", lenof("HTTP/1."))) { - const char *method_sep_uri = strchr(message, ' '); + /* 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; - msg->type = HTTP_MSG_REQUEST; - msg->info.request.http_version = atof(message_start - lenof("1.1")); - msg->info.request.method = estrndup(message, method_sep_uri - message); - msg->info.request.URI = estrndup(method_sep_uri + 1, message_start - method_sep_uri - 1 - lenof(" HTTP/1.1")); - } else { - http_message_free(msg); - return NULL; - } + spprintf(&tmp, 0, "%lu", (ulong) decoded_len); + MAKE_STD_ZVAL(len); + ZVAL_STRING(len, tmp, 0); - message_start += lenof(HTTP_CRLF); - message_length -= message_start - message; + 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 - if (body = strstr(message_start, HTTP_CRLF HTTP_CRLF)) { - body += lenof(HTTP_CRLF HTTP_CRLF); - header_length = body - message_start; - phpstr_from_string_ex(PHPSTR(msg), body, message_length - header_length); - } else { - header_length = message_length; - } + /* 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 - if (SUCCESS != http_parse_headers_ex(message_start, header_length, &msg->hdrs, 1)) { - http_message_free(msg); - return NULL; + /* 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 (HTTP_MSG_TYPE(RESPONSE, msg)) { + phpstr_from_string_ex(PHPSTR(msg), body, message + message_length - body); + } else { + continue_at = 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; } @@ -137,34 +226,56 @@ PHP_HTTP_API void _http_message_tostring(http_message *msg, char **string, size_ ulong idx; zval **header; - phpstr_init_ex(&str, msg->len, 1); + 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); + msg->http.info.request.method, + msg->http.info.request.URI, + msg->http.version); break; case HTTP_MSG_RESPONSE: - phpstr_appendf(&str, "HTTP/%1.1f %d" HTTP_CRLF, - msg->info.response.http_version, - msg->info.response.status); + phpstr_appendf(&str, "HTTP/%1.1f %d%s%s" HTTP_CRLF, + msg->http.version, + msg->http.info.response.code, + *msg->http.info.response.status ? " ":"", + msg->http.info.response.status); + break; + + case HTTP_MSG_NONE: + default: break; } FOREACH_HASH_KEYVAL(&msg->hdrs, key, idx, header) { if (key) { - phpstr_appendf(&str, "%s: %s" HTTP_CRLF, key, Z_STRVAL_PP(header)); + 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; } } - phpstr_appends(&str, HTTP_CRLF); - phpstr_append(&str, msg->body.data, msg->body.used); - phpstr_fix(&str); + 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) { @@ -173,3 +284,230 @@ PHP_HTTP_API void _http_message_tostring(http_message *msg, char **string, size_ 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 void _http_message_tostruct_recursive(http_message *msg, zval *obj TSRMLS_DC) +{ + zval strct; + zval *headers; + + INIT_ZARR(strct, HASH_OF(obj)); + + add_assoc_long(&strct, "type", msg->type); + add_assoc_double(&strct, "httpVersion", msg->http.version); + switch (msg->type) + { + case HTTP_MSG_RESPONSE: + add_assoc_long(&strct, "responseCode", msg->http.info.response.code); + add_assoc_string(&strct, "responseStatus", msg->http.info.response.status, 1); + break; + + case HTTP_MSG_REQUEST: + add_assoc_string(&strct, "requestMethod", msg->http.info.request.method, 1); + add_assoc_string(&strct, "requestUri", msg->http.info.request.URI, 1); + break; + } + + MAKE_STD_ZVAL(headers); + array_init(headers); + zend_hash_copy(Z_ARRVAL_P(headers), &msg->hdrs, (copy_ctor_func_t) zval_add_ref, NULL, sizeof(zval *)); + add_assoc_zval(&strct, "headers", headers); + + add_assoc_stringl(&strct, "body", PHPSTR_VAL(msg), PHPSTR_LEN(msg), 1); + + if (msg->parent) { + zval *parent; + + MAKE_STD_ZVAL(parent); + if (Z_TYPE_P(obj) == IS_ARRAY) { + array_init(parent); + } else { + object_init(parent); + } + add_assoc_zval(&strct, "parentMessage", parent); + http_message_tostruct_recursive(msg->parent, parent); + zval_ptr_dtor(&parent); + } else { + add_assoc_null(&strct, "parentMessage"); + } +} + +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) { + if (Z_TYPE_PP(val) == IS_ARRAY) { + zend_bool first = 1; + zval **data; + + FOREACH_VAL(*val, data) { + http_send_header_ex(key, strlen(key), Z_STRVAL_PP(data), Z_STRLEN_PP(data), first, NULL); + first = 0; + } + } else { + http_send_header_ex(key, strlen(key), Z_STRVAL_PP(val), Z_STRLEN_PP(val), 1, NULL); + } + key = NULL; + } + } + rs = SUCCESS == http_send_status(message->http.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; + + INIT_PZVAL(&options); + INIT_PZVAL(&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->http.info.request.URI, strlen(message->http.info.request.URI), + NULL, 0, host, host_len, port); + efree(host); + } else { + uri = http_absolute_uri(message->http.info.request.URI); + } + + if (!strcasecmp("POST", message->http.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->http.info.request.method)) { + rs = http_get(uri, Z_ARRVAL(options), NULL, NULL); + } else + if (!strcasecmp("HEAD", message->http.info.request.method)) { + rs = http_head(uri, Z_ARRVAL(options), NULL, NULL); + } else { + http_error_ex(HE_WARNING, HTTP_E_REQUEST_METHOD, + "Cannot send HttpMessage. Request method %s not supported", + message->http.info.request.method); + } + + efree(uri); +#else + http_error(HE_WARNING, HTTP_E_RUNTIME, "HTTP requests not supported - ext/http was not linked against libcurl."); +#endif + } + break; + + case HTTP_MSG_NONE: + default: + http_error(HE_WARNING, HTTP_E_MESSAGE_TYPE, "HttpMessage is neither of type HTTP_MSG_REQUEST nor HTTP_MSG_RESPONSE"); + break; + } + + return rs; +} + +PHP_HTTP_API http_message *_http_message_dup(http_message *msg TSRMLS_DC) +{ + /* + * TODO: unroll + */ + http_message *new; + char *serialized_data; + size_t serialized_length; + + http_message_serialize(msg, &serialized_data, &serialized_length); + new = http_message_parse(serialized_data, serialized_length); + efree(serialized_data); + return new; +} + +PHP_HTTP_API void _http_message_dtor(http_message *message) +{ + if (message) { + zend_hash_destroy(&message->hdrs); + phpstr_dtor(PHPSTR(message)); + + switch (message->type) + { + case HTTP_MSG_REQUEST: + STR_SET(message->http.info.request.method, NULL); + STR_SET(message->http.info.request.URI, NULL); + break; + + case HTTP_MSG_RESPONSE: + STR_SET(message->http.info.response.status, NULL); + break; + + default: + break; + } + } +} + +PHP_HTTP_API void _http_message_free(http_message **message) +{ + if (*message) { + if ((*message)->parent) { + http_message_free(&(*message)->parent); + } + http_message_dtor(*message); + efree(*message); + *message = NULL; + } +} + +/* + * 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 + */ +