X-Git-Url: https://git.m6w6.name/?p=m6w6%2Fext-http;a=blobdiff_plain;f=http_headers_api.c;h=11815f25a835a81112da1a08c6aad73628cbf063;hp=930c496f732ef14336c896ac6c6db064a5cdab22;hb=a8230e38566547ed14c101bbf026904acdf0d458;hpb=bec583518dd611eb52d0969b4cf07abfc30eae97 diff --git a/http_headers_api.c b/http_headers_api.c index 930c496..11815f2 100644 --- a/http_headers_api.c +++ b/http_headers_api.c @@ -18,10 +18,8 @@ #ifdef HAVE_CONFIG_H # include "config.h" #endif - -#include - #include "php.h" + #include "ext/standard/php_string.h" #include "ext/standard/url.h" @@ -30,6 +28,10 @@ #include "php_http_api.h" #include "php_http_headers_api.h" +#include + +ZEND_EXTERN_MODULE_GLOBALS(http); + /* {{{ static int http_sort_q(const void *, const void *) */ static int http_sort_q(const void *a, const void *b TSRMLS_DC) { @@ -76,6 +78,7 @@ PHP_HTTP_API char *_http_negotiate_q(const char *entry, const HashTable *support } else { qual = 1000.0 - i++; } + /* TODO: support primaries only, too */ FOREACH_HASH_VAL((HashTable *)supported, zsupp) { if (!strcasecmp(Z_STRVAL_PP(zsupp), Z_STRVAL_PP(zentry))) { add_assoc_double(&zentries, Z_STRVAL_PP(zsupp), qual); @@ -111,7 +114,6 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ range = Z_STRVAL_P(zrange); if (strncmp(range, "bytes=", sizeof("bytes=") - 1)) { - php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Range header misses bytes="); return RANGE_NO; } @@ -169,7 +171,7 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ return RANGE_NO; } /* "0-0" or overflow */ - if (end == -10 || length <= end) { + if (end == -10 || length <= (size_t) end) { return RANGE_ERR; } begin = 0; @@ -178,7 +180,7 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ /* "-12345" */ case -1: /* "-", "-0" or overflow */ - if (end == -1 || end == -10 || length <= end) { + if (end == -1 || end == -10 || length <= (size_t) end) { return RANGE_ERR; } begin = length - end; @@ -196,7 +198,7 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ /* "12345-" */ case -1: - if (length <= begin) { + if (length <= (size_t) begin) { return RANGE_ERR; } end = length - 1; @@ -204,8 +206,8 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ /* "12345-67890" */ default: - if ( (length <= begin) || - (length <= end) || + if ( (length <= (size_t) begin) || + (length <= (size_t) end) || (end < begin)) { return RANGE_ERR; } @@ -238,32 +240,30 @@ PHP_HTTP_API http_range_status _http_get_request_ranges(HashTable *ranges, size_ } /* }}} */ -/* {{{ STATUS http_parse_headers(char *, size_t, HashTable *, zend_bool) */ -PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, size_t header_len, - HashTable *headers, zend_bool prettify TSRMLS_DC) +/* {{{ STATUS http_parse_headers(char *, HashTable *, zend_bool) */ +PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, HashTable *headers, zend_bool prettify, http_parse_headers_callback_t func, void **callback_data TSRMLS_DC) { - const char *colon = NULL, *line = NULL, *begin = header; + const char *colon = NULL, *line = NULL, *begin = header, *crlfcrlf = NULL; + size_t header_len; zval array; Z_ARRVAL(array) = headers; - if (header_len < 2) { - return FAILURE; + if (crlfcrlf = strstr(header, HTTP_CRLF HTTP_CRLF)) { + header_len = crlfcrlf - header + lenof(HTTP_CRLF); + } else { + header_len = strlen(header) + 1; } - /* status code */ - if (!strncmp(header, "HTTP/1.", 7)) { - char *end = strstr(header, HTTP_CRLF); - size_t len = end - (header + lenof("HTTP/1.x ")); - char *val = estrndup(header + lenof("HTTP/1.x "), len); - add_assoc_stringl(&array, "Status", val, len, 0); - header = end + 2; + if (header_len < 2 || !strchr(header, ':')) { + http_error(HE_WARNING, HTTP_E_MALFORMED_HEADERS, "Cannot parse too short or malformed HTTP headers"); + return FAILURE; } line = header; - while (header_len >= (line - begin)) { + while (header_len >= (size_t) (line - begin)) { int value_len = 0; switch (*line++) @@ -271,55 +271,57 @@ PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, size_t header_len case 0: --value_len; /* we don't have CR so value length is one char less */ case '\n': - if (colon && ((!(*line - 1)) || ((*line != ' ') && (*line != '\t')))) { + if ((!(*line - 1)) || ((*line != ' ') && (*line != '\t'))) { + /* response/request line */ + if ( (!strncmp(header, "HTTP/1.", lenof("HTTP/1."))) || + (!strncmp(line - lenof("HTTP/1.x" HTTP_CRLF) + value_len, "HTTP/1.", lenof("HTTP/1.")))) { + if (func) { + func(header, &headers, callback_data TSRMLS_CC); + Z_ARRVAL(array) = headers; + } + } else - /* skip empty key */ - if (header != colon) { - zval **previous = NULL; - char *value = empty_string; - int keylen = colon - header; - char *key = estrndup(header, keylen); + /* "header: value" pair */ + if (colon) { - if (prettify) { - key = pretty_key(key, keylen, 1, 1); - } + /* skip empty key */ + if (header != colon) { + zval **previous = NULL; + char *value; + int keylen = colon - header; + char *key = estrndup(header, keylen); - value_len += line - colon - 1; + if (prettify) { + key = pretty_key(key, keylen, 1, 1); + } - /* skip leading ws */ - while (isspace(*(++colon))) --value_len; - /* skip trailing ws */ - while (isspace(colon[value_len - 1])) --value_len; + value_len += line - colon - 1; - if (value_len > 0) { - value = estrndup(colon, value_len); - } else { - value_len = 0; - } + /* skip leading ws */ + while (isspace(*(++colon))) --value_len; + /* skip trailing ws */ + while (isspace(colon[value_len - 1])) --value_len; - /* if we already have got such a header make an array of those */ - if (SUCCESS == zend_hash_find(headers, key, keylen + 1, (void **) &previous)) { - /* already an array? - just add */ - if (Z_TYPE_PP(previous) == IS_ARRAY) { - add_next_index_stringl(*previous, value, value_len, 0); + if (value_len > 0) { + value = estrndup(colon, value_len); } else { - /* create the array */ - zval *new_array; - MAKE_STD_ZVAL(new_array); - array_init(new_array); - - add_next_index_stringl(new_array, Z_STRVAL_PP(previous), Z_STRLEN_PP(previous), 1); - add_next_index_stringl(new_array, value, value_len, 0); - add_assoc_zval(&array, key, new_array); + value = estrdup(""); + value_len = 0; } - previous = NULL; - } else { - add_assoc_stringl(&array, key, value, value_len, 0); + /* if we already have got such a header make an array of those */ + if (SUCCESS == zend_hash_find(headers, key, keylen + 1, (void **) &previous)) { + /* convert to array */ + if (Z_TYPE_PP(previous) != IS_ARRAY) { + convert_to_array(*previous); + } + add_next_index_stringl(*previous, value, value_len, 0); + } else { + add_assoc_stringl(&array, key, value, value_len, 0); + } + efree(key); } - efree(key); } - colon = NULL; value_len = 0; header += line - header; @@ -337,83 +339,40 @@ PHP_HTTP_API STATUS _http_parse_headers_ex(const char *header, size_t header_len } /* }}} */ -/* {{{ */ -PHP_HTTP_API STATUS _http_parse_cookie(const char *cookie, HashTable *values TSRMLS_DC) +PHP_HTTP_API void _http_parse_headers_default_callback(const char *http_line, HashTable **headers, void **cb_data TSRMLS_DC) { - const char *key = cookie, *val = NULL; - int vallen = 0, keylen = 0, done = 0; zval array; - - Z_ARRVAL(array) = values; - - if (!(val = strchr(cookie, '='))) { - return FAILURE; - } - -#define HTTP_COOKIE_VAL(array, k, str, len) \ - { \ - const char *encoded = str; \ - char *decoded = NULL; \ - int decoded_len = 0, encoded_len = len; \ - decoded = estrndup(encoded, encoded_len); \ - decoded_len = php_url_decode(decoded, encoded_len); \ - add_assoc_stringl(array, k, decoded, decoded_len, 0); \ - } -#define HTTP_COOKIE_FIXKEY() \ - { \ - while (isspace(*key)) ++key; \ - keylen = val - key; \ - while (isspace(key[keylen - 1])) --keylen; \ - } -#define HTTP_COOKIE_FIXVAL() \ - { \ - ++val; \ - while (isspace(*val)) ++val; \ - vallen = key - val; \ - while (isspace(val[vallen - 1])) --vallen; \ + char *crlf = NULL; + size_t line_length; + Z_ARRVAL(array) = *headers; + + if (crlf = strstr(http_line, HTTP_CRLF)) { + line_length = crlf - http_line; + } else { + line_length = strlen(http_line); } - HTTP_COOKIE_FIXKEY(); - HTTP_COOKIE_VAL(&array, "name", key, keylen); - - /* just a name=value cookie */ - if (!(key = strchr(val, ';'))) { - key = val + strlen(val); - HTTP_COOKIE_FIXVAL(); - HTTP_COOKIE_VAL(&array, "value", val, vallen); - } - /* additional info appended */ - else { - char *keydup = NULL; - - HTTP_COOKIE_FIXVAL(); - HTTP_COOKIE_VAL(&array, "value", val, vallen); - - do { - if (!(val = strchr(key, '='))) { - break; - } - ++key; - HTTP_COOKIE_FIXKEY(); - keydup = estrndup(key, keylen); - if (!(key = strchr(val, ';'))) { - done = 1; - key = val + strlen(val); - } - HTTP_COOKIE_FIXVAL(); - HTTP_COOKIE_VAL(&array, keydup, val, vallen); - efree(keydup); - } while (!done); + /* response */ + if (!strncmp(http_line, "HTTP/1.", lenof("HTTP/1."))) { + char *status = estrndup(http_line + lenof("HTTP/1.x "), line_length - lenof("HTTP/1.x ")); + add_assoc_stringl(&array, "Response Status", status, line_length - lenof("HTTP/1.x "), 0); + } else + /* request */ + if (!strncmp(http_line + line_length - lenof("HTTP/1.x"), "HTTP/1.", lenof("HTTP/1."))) { + char *sep = strchr(http_line, ' '); + char *url = estrndup(sep + 1, strstr(sep, "HTTP/1.") - sep + 1 + 1); + char *met = estrndup(http_line, sep - http_line); + + add_assoc_stringl(&array, "Request Method", met, sep - http_line, 0); + add_assoc_stringl(&array, "Request Uri", url, strstr(sep, "HTTP/1.") - sep + 1 + 1, 0); } - return SUCCESS; } -/* }}} */ /* {{{ void http_get_request_headers_ex(HashTable *, zend_bool) */ PHP_HTTP_API void _http_get_request_headers_ex(HashTable *headers, zend_bool prettify TSRMLS_DC) { char *key = NULL; - long idx = 0; + ulong idx = 0; zval array; Z_ARRVAL(array) = headers; @@ -435,6 +394,36 @@ PHP_HTTP_API void _http_get_request_headers_ex(HashTable *headers, zend_bool pre } /* }}} */ +/* {{{ zend_bool http_match_request_header(char *, char *) */ +PHP_HTTP_API zend_bool _http_match_request_header_ex(const char *header, const char *value, zend_bool match_case TSRMLS_DC) +{ + char *name, *key = NULL; + ulong idx; + zend_bool result = 0; + HashTable headers; + + name = pretty_key(estrdup(header), strlen(header), 1, 1); + zend_hash_init(&headers, 0, NULL, ZVAL_PTR_DTOR, 0); + http_get_request_headers_ex(&headers, 1); + + FOREACH_HASH_KEY(&headers, key, idx) { + if (key && (!strcmp(key, name))) { + zval **data; + + if (SUCCESS == zend_hash_get_current_data(&headers, (void **) &data)) { + result = (match_case ? strcmp(Z_STRVAL_PP(data), value) : strcasecmp(Z_STRVAL_PP(data), value)) ? 0 : 1; + } + break; + } + } + + zend_hash_destroy(&headers); + efree(name); + + return result; +} +/* }}} */ + /* * Local variables: