ensure options are applied before the headers are set
[m6w6/ext-http] / php_http_url.c
index 7c79ffad3659945afd4eb126b0a0b3af2a05ae66..71f97a3fd227960059c6779aa6a8bce0a2f551fc 100644 (file)
@@ -57,111 +57,170 @@ static inline char *localhostname(void)
        return estrndup("localhost", lenof("localhost"));
 }
 
-static php_url *php_http_url_from_env(php_url *url TSRMLS_DC)
+#define url(buf) ((php_http_url_t *) buf.data)
+
+static php_http_url_t *php_http_url_from_env(TSRMLS_D)
 {
        zval *https, *zhost, *zport;
        long port;
+       php_http_buffer_t buf;
 
-       if (!url) {
-               url = ecalloc(1, sizeof(*url));
-       }
-
-       /* port */
-       zport = php_http_env_get_server_var(ZEND_STRL("SERVER_PORT"), 1 TSRMLS_CC);
-       if (zport && IS_LONG == is_numeric_string(Z_STRVAL_P(zport), Z_STRLEN_P(zport), &port, NULL, 0)) {
-               url->port = port;
-       }
+       php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
+       php_http_buffer_account(&buf, sizeof(php_http_url_t));
+       memset(buf.data, 0, buf.used);
 
        /* scheme */
+       url(buf)->scheme = &buf.data[buf.used];
        https = php_http_env_get_server_var(ZEND_STRL("HTTPS"), 1 TSRMLS_CC);
        if (https && !strcasecmp(Z_STRVAL_P(https), "ON")) {
-               url->scheme = estrndup("https", lenof("https"));
+               php_http_buffer_append(&buf, "https", sizeof("https"));
        } else {
-               url->scheme = estrndup("http", lenof("http"));
+               php_http_buffer_append(&buf, "http", sizeof("http"));
        }
 
        /* host */
+       url(buf)->host = &buf.data[buf.used];
        if ((((zhost = php_http_env_get_server_var(ZEND_STRL("HTTP_HOST"), 1 TSRMLS_CC)) ||
                        (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_NAME"), 1 TSRMLS_CC)) ||
                        (zhost = php_http_env_get_server_var(ZEND_STRL("SERVER_ADDR"), 1 TSRMLS_CC)))) && Z_STRLEN_P(zhost)) {
                size_t stop_at = strspn(Z_STRVAL_P(zhost), "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ-.");
 
-               url->host = estrndup(Z_STRVAL_P(zhost), stop_at);
+               php_http_buffer_append(&buf, Z_STRVAL_P(zhost), stop_at);
+               php_http_buffer_append(&buf, "", 1);
        } else {
-               url->host = localhostname();
+               char *host_str = localhostname();
+
+               php_http_buffer_append(&buf, host_str, strlen(host_str) + 1);
+               efree(host_str);
+       }
+
+       /* port */
+       zport = php_http_env_get_server_var(ZEND_STRL("SERVER_PORT"), 1 TSRMLS_CC);
+       if (zport && IS_LONG == is_numeric_string(Z_STRVAL_P(zport), Z_STRLEN_P(zport), &port, NULL, 0)) {
+               url(buf)->port = port;
        }
 
        /* path */
        if (SG(request_info).request_uri && SG(request_info).request_uri[0]) {
                const char *q = strchr(SG(request_info).request_uri, '?');
 
+               url(buf)->path = &buf.data[buf.used];
+
                if (q) {
-                       url->path = estrndup(SG(request_info).request_uri, q - SG(request_info).request_uri);
+                       php_http_buffer_append(&buf, SG(request_info).request_uri, q - SG(request_info).request_uri);
+                       php_http_buffer_append(&buf, "", 1);
                } else {
-                       url->path = estrdup(SG(request_info).request_uri);
+                       php_http_buffer_append(&buf, SG(request_info).request_uri, strlen(SG(request_info).request_uri) + 1);
                }
        }
 
        /* query */
        if (SG(request_info).query_string && SG(request_info).query_string[0]) {
-               url->query = estrdup(SG(request_info).query_string);
+               url(buf)->query = &buf.data[buf.used];
+               php_http_buffer_append(&buf, SG(request_info).query_string, strlen(SG(request_info).query_string) + 1);
        }
 
-       return url;
+       return url(buf);
 }
 
 void php_http_url(int flags, const php_url *old_url, const php_url *new_url, php_url **url_ptr, char **url_str, size_t *url_len TSRMLS_DC)
 {
-       php_url *url, *tmp_url = NULL;
+       php_http_url_t *url = php_http_url_mod((const php_http_url_t *) old_url, (const php_http_url_t *) new_url, flags TSRMLS_CC);
+
+       if (url_ptr) {
+               *url_ptr = php_http_url_to_php_url(url);
+       }
+       if (url_str) {
+               php_http_url_to_string(url, url_str, url_len, 0);
+       }
+
+       php_http_url_free(&url);
+}
+
+#define url_isset(u,n) \
+       ((u)&&(u)->n)
+#define url_copy(n) do { \
+       if (url_isset(new_url, n)) { \
+               url(buf)->n = &buf.data[buf.used]; \
+               php_http_buffer_append(&buf, new_url->n, strlen(new_url->n) + 1); \
+       } else if (url_isset(old_url, n)) { \
+               url(buf)->n = &buf.data[buf.used]; \
+               php_http_buffer_append(&buf, old_url->n, strlen(old_url->n) + 1); \
+       } \
+} while (0)
+
+php_http_url_t *php_http_url_mod(const php_http_url_t *old_url, const php_http_url_t *new_url, unsigned flags TSRMLS_DC)
+{
+       php_http_url_t *tmp_url = NULL;
+       php_http_buffer_t buf;
+
+       php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
+       php_http_buffer_account(&buf, sizeof(php_http_url_t));
+       memset(buf.data, 0, buf.used);
 
        /* set from env if requested */
        if (flags & PHP_HTTP_URL_FROM_ENV) {
-               php_url *env_url = php_http_url_from_env(NULL TSRMLS_CC);
-
-               php_http_url(flags ^ PHP_HTTP_URL_FROM_ENV, env_url, old_url, &tmp_url, NULL, NULL TSRMLS_CC);
+               php_http_url_t *env_url = php_http_url_from_env(TSRMLS_C);
 
-               php_url_free(env_url);
-               old_url = tmp_url;
+               old_url = tmp_url = php_http_url_mod(env_url, old_url, flags ^ PHP_HTTP_URL_FROM_ENV TSRMLS_CC);
+               php_http_url_free(&env_url);
        }
 
-       url = ecalloc(1, sizeof(*url));
+       url_copy(scheme);
 
-#define __URLSET(u,n) \
-       ((u)&&(u)->n)
-#define __URLCPY(n) \
-       url->n = __URLSET(new_url,n) ? estrdup(new_url->n) : (__URLSET(old_url,n) ? estrdup(old_url->n) : NULL)
-       
-       if (!(flags & PHP_HTTP_URL_STRIP_PORT)) {
-               url->port = __URLSET(new_url, port) ? new_url->port : ((old_url) ? old_url->port : 0);
-       }
        if (!(flags & PHP_HTTP_URL_STRIP_USER)) {
-               __URLCPY(user);
+               url_copy(user);
        }
+
        if (!(flags & PHP_HTTP_URL_STRIP_PASS)) {
-               __URLCPY(pass);
+               url_copy(pass);
        }
        
-       __URLCPY(scheme);
-       __URLCPY(host);
+       url_copy(host);
        
+       if (!(flags & PHP_HTTP_URL_STRIP_PORT)) {
+               url(buf)->port = url_isset(new_url, port) ? new_url->port : ((old_url) ? old_url->port : 0);
+       }
+
        if (!(flags & PHP_HTTP_URL_STRIP_PATH)) {
-               if ((flags & PHP_HTTP_URL_JOIN_PATH) && __URLSET(old_url, path) && __URLSET(new_url, path) && *new_url->path != '/') {
+               if ((flags & PHP_HTTP_URL_JOIN_PATH) && url_isset(old_url, path) && url_isset(new_url, path) && *new_url->path != '/') {
                        size_t old_path_len = strlen(old_url->path), new_path_len = strlen(new_url->path);
+                       char *path = ecalloc(1, old_path_len + new_path_len + 1 + 1);
                        
-                       url->path = ecalloc(1, old_path_len + new_path_len + 1 + 1);
+                       strcat(path, old_url->path);
+                       if (path[old_path_len - 1] != '/') {
+                               php_dirname(path, old_path_len);
+                               strcat(path, "/");
+                       }
+                       strcat(path, new_url->path);
                        
-                       strcat(url->path, old_url->path);
-                       if (url->path[old_path_len - 1] != '/') {
-                               php_dirname(url->path, old_path_len);
-                               strcat(url->path, "/");
+                       url(buf)->path = &buf.data[buf.used];
+                       if (path[0] != '/') {
+                               php_http_buffer_append(&buf, "/", 1);
                        }
-                       strcat(url->path, new_url->path);
+                       php_http_buffer_append(&buf, path, strlen(path) + 1);
+                       efree(path);
                } else {
-                       __URLCPY(path);
+                       const char *path = NULL;
+
+                       if (url_isset(new_url, path)) {
+                               path = new_url->path;
+                       } else if (url_isset(old_url, path)) {
+                               path = old_url->path;
+                       }
+
+                       if (path) {
+                               url(buf)->path = &buf.data[buf.used];
+
+                               php_http_buffer_append(&buf, path, strlen(path) + 1);
+                       }
+
+
                }
        }
+
        if (!(flags & PHP_HTTP_URL_STRIP_QUERY)) {
-               if ((flags & PHP_HTTP_URL_JOIN_QUERY) && __URLSET(new_url, query) && __URLSET(old_url, query)) {
+               if ((flags & PHP_HTTP_URL_JOIN_QUERY) && url_isset(new_url, query) && url_isset(old_url, query)) {
                        zval qarr, qstr;
                        
                        INIT_PZVAL(&qstr);
@@ -175,49 +234,34 @@ void php_http_url(int flags, const php_url *old_url, const php_url *new_url, php
                        
                        ZVAL_NULL(&qstr);
                        php_http_querystring_update(&qarr, NULL, &qstr TSRMLS_CC);
-                       url->query = Z_STRVAL(qstr);
+
+                       url(buf)->query = &buf.data[buf.used];
+                       php_http_buffer_append(&buf, Z_STRVAL(qstr), Z_STRLEN(qstr) + 1);
+
+                       zval_dtor(&qstr);
                        zval_dtor(&qarr);
                } else {
-                       __URLCPY(query);
+                       url_copy(query);
                }
        }
+
        if (!(flags & PHP_HTTP_URL_STRIP_FRAGMENT)) {
-               __URLCPY(fragment);
+               url_copy(fragment);
        }
        
        /* done with copy & combine & strip */
 
        if (flags & PHP_HTTP_URL_FROM_ENV) {
                /* free old_url we tainted above */
-               php_url_free(tmp_url);
+               php_http_url_free(&tmp_url);
        }
 
-       /* set some sane defaults */
-
-       if (!url->scheme) {
-               url->scheme = estrndup("http", lenof("http"));
-       }
-
-       if (!url->host) {
-               url->host = estrndup("localhost", lenof("localhost"));
-       }
-       
-       if (!url->path) {
-               url->path = estrndup("/", 1);
-       } else if (url->path[0] != '/') {
-               size_t plen = strlen(url->path);
-               char *path = emalloc(plen + 1 + 1);
-
-               path[0] = '/';
-               memcpy(&path[1], url->path, plen + 1);
-               STR_SET(url->path, path);
-       }
        /* replace directory references if path is not a single slash */
        if ((flags & PHP_HTTP_URL_SANITIZE_PATH)
-       &&      url->path[0] && (url->path[0] != '/' || url->path[1])) {
-               char *ptr, *end = url->path + strlen(url->path) + 1;
+       &&      url(buf)->path[0] && url(buf)->path[1]) {
+               char *ptr, *end = url(buf)->path + strlen(url(buf)->path) + 1;
                        
-               for (ptr = strchr(url->path, '/'); ptr; ptr = strchr(ptr, '/')) {
+               for (ptr = strchr(url(buf)->path, '/'); ptr; ptr = strchr(ptr, '/')) {
                        switch (ptr[1]) {
                                case '/':
                                        memmove(&ptr[1], &ptr[2], end - &ptr[2]);
@@ -236,7 +280,7 @@ void php_http_url(int flags, const php_url *old_url, const php_url *new_url, php
                                                case '.':
                                                        if (ptr[3] == '/') {
                                                                char *pos = &ptr[4];
-                                                               while (ptr != url->path) {
+                                                               while (ptr != url(buf)->path) {
                                                                        if (*--ptr == '/') {
                                                                                break;
                                                                        }
@@ -263,23 +307,244 @@ void php_http_url(int flags, const php_url *old_url, const php_url *new_url, php
                }
        }
        /* unset default ports */
-       if (url->port) {
-               if (    ((url->port == 80) && !strcmp(url->scheme, "http"))
-                       ||      ((url->port ==443) && !strcmp(url->scheme, "https"))
+       if (url(buf)->port) {
+               if (    ((url(buf)->port == 80) && url(buf)->scheme && !strcmp(url(buf)->scheme, "http"))
+                       ||      ((url(buf)->port ==443) && url(buf)->scheme && !strcmp(url(buf)->scheme, "https"))
                ) {
-                       url->port = 0;
+                       url(buf)->port = 0;
                }
        }
        
+       return url(buf);
+}
+
+char *php_http_url_to_string(const php_http_url_t *url, char **url_str, size_t *url_len, zend_bool persistent)
+{
+       php_http_buffer_t buf;
+
+       php_http_buffer_init_ex(&buf, PHP_HTTP_BUFFER_DEFAULT_SIZE, persistent ?
+                       PHP_HTTP_BUFFER_INIT_PERSISTENT : 0);
+
+       if (url->scheme && *url->scheme) {
+               php_http_buffer_appendl(&buf, url->scheme);
+               php_http_buffer_appends(&buf, "://");
+       } else if ((url->user && *url->user) || (url->host && *url->host)) {
+               php_http_buffer_appends(&buf, "//");
+       }
+
+       if (url->user && *url->user) {
+               php_http_buffer_appendl(&buf, url->user);
+               if (url->pass && *url->pass) {
+                       php_http_buffer_appends(&buf, ":");
+                       php_http_buffer_appendl(&buf, url->pass);
+               }
+               php_http_buffer_appends(&buf, "@");
+       }
+
+       if (url->host && *url->host) {
+               php_http_buffer_appendl(&buf, url->host);
+               if (url->port) {
+                       php_http_buffer_appendf(&buf, ":%hu", url->port);
+               }
+       }
+
+       if (url->path && *url->path) {
+               if (*url->path != '/') {
+                       php_http_buffer_appends(&buf, "/");
+               }
+               php_http_buffer_appendl(&buf, url->path);
+       } else if (buf.used) {
+               php_http_buffer_appends(&buf, "/");
+       }
+
+       if (url->query && *url->query) {
+               php_http_buffer_appends(&buf, "?");
+               php_http_buffer_appendl(&buf, url->query);
+       }
+
+       if (url->fragment && *url->fragment) {
+               php_http_buffer_appends(&buf, "#");
+               php_http_buffer_appendl(&buf, url->fragment);
+       }
+
+       php_http_buffer_shrink(&buf);
+       php_http_buffer_fix(&buf);
+
+       if (url_len) {
+               *url_len = buf.used;
+       }
+
        if (url_str) {
-               php_http_url_to_string(url, url_str, url_len TSRMLS_CC);
+               *url_str = buf.data;
        }
-       
-       if (url_ptr) {
-               *url_ptr = url;
+
+       return buf.data;
+}
+
+char *php_http_url_authority_to_string(const php_http_url_t *url, char **url_str, size_t *url_len)
+{
+       php_http_buffer_t buf;
+
+       php_http_buffer_init(&buf);
+
+       if (url->user && *url->user) {
+               php_http_buffer_appendl(&buf, url->user);
+               if (url->pass && *url->pass) {
+                       php_http_buffer_appends(&buf, ":");
+                       php_http_buffer_appendl(&buf, url->pass);
+               }
+               php_http_buffer_appends(&buf, "@");
+       }
+
+       if (url->host && *url->host) {
+               php_http_buffer_appendl(&buf, url->host);
+               if (url->port) {
+                       php_http_buffer_appendf(&buf, ":%hu", url->port);
+               }
+       }
+
+       php_http_buffer_shrink(&buf);
+       php_http_buffer_fix(&buf);
+
+       if (url_len) {
+               *url_len = buf.used;
+       }
+
+       if (url_str) {
+               *url_str = buf.data;
+       }
+
+       return buf.data;
+}
+
+php_http_url_t *php_http_url_from_zval(zval *value, unsigned flags TSRMLS_DC)
+{
+       zval *zcpy;
+       php_http_url_t *purl;
+
+       switch (Z_TYPE_P(value)) {
+       case IS_ARRAY:
+       case IS_OBJECT:
+               purl = php_http_url_from_struct(HASH_OF(value));
+               break;
+
+       default:
+               zcpy = php_http_ztyp(IS_STRING, value);
+               purl = php_http_url_parse(Z_STRVAL_P(zcpy), Z_STRLEN_P(zcpy), flags TSRMLS_CC);
+               zval_ptr_dtor(&zcpy);
+       }
+
+       return purl;
+}
+
+php_http_url_t *php_http_url_from_struct(HashTable *ht)
+{
+       zval **e;
+       php_http_buffer_t buf;
+
+       php_http_buffer_init_ex(&buf, MAX(PHP_HTTP_BUFFER_DEFAULT_SIZE, sizeof(php_http_url_t)<<2), PHP_HTTP_BUFFER_INIT_PREALLOC);
+       php_http_buffer_account(&buf, sizeof(php_http_url_t));
+       memset(buf.data, 0, buf.used);
+
+       if (SUCCESS == zend_hash_find(ht, "scheme", sizeof("scheme"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_STRING, *e);
+               url(buf)->scheme = &buf.data[buf.used];
+               php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1);
+               zval_ptr_dtor(&cpy);
+       }
+       if (SUCCESS == zend_hash_find(ht, "user", sizeof("user"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_STRING, *e);
+               url(buf)->user = &buf.data[buf.used];
+               php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1);
+               zval_ptr_dtor(&cpy);
+       }
+       if (SUCCESS == zend_hash_find(ht, "pass", sizeof("pass"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_STRING, *e);
+               url(buf)->pass = &buf.data[buf.used];
+               php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1);
+               zval_ptr_dtor(&cpy);
+       }
+       if (SUCCESS == zend_hash_find(ht, "host", sizeof("host"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_STRING, *e);
+               url(buf)->host = &buf.data[buf.used];
+               php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1);
+               zval_ptr_dtor(&cpy);
+       }
+       if (SUCCESS == zend_hash_find(ht, "port", sizeof("port"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_LONG, *e);
+               url(buf)->port = (unsigned short) Z_LVAL_P(cpy);
+               zval_ptr_dtor(&cpy);
+       }
+       if (SUCCESS == zend_hash_find(ht, "path", sizeof("path"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_STRING, *e);
+               url(buf)->path = &buf.data[buf.used];
+               php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1);
+               zval_ptr_dtor(&cpy);
+       }
+       if (SUCCESS == zend_hash_find(ht, "query", sizeof("query"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_STRING, *e);
+               url(buf)->query = &buf.data[buf.used];
+               php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1);
+               zval_ptr_dtor(&cpy);
+       }
+       if (SUCCESS == zend_hash_find(ht, "fragment", sizeof("fragment"), (void *) &e)) {
+               zval *cpy = php_http_ztyp(IS_STRING, *e);
+               url(buf)->fragment = &buf.data[buf.used];
+               php_http_buffer_append(&buf, Z_STRVAL_P(cpy), Z_STRLEN_P(cpy) + 1);
+               zval_ptr_dtor(&cpy);
+       }
+
+       return url(buf);
+}
+
+HashTable *php_http_url_to_struct(const php_http_url_t *url, zval *strct TSRMLS_DC)
+{
+       zval arr;
+
+       if (strct) {
+               switch (Z_TYPE_P(strct)) {
+                       default:
+                               zval_dtor(strct);
+                               array_init(strct);
+                               /* no break */
+                       case IS_ARRAY:
+                       case IS_OBJECT:
+                               INIT_PZVAL_ARRAY((&arr), HASH_OF(strct));
+                               break;
+               }
        } else {
-               php_url_free(url);
+               INIT_PZVAL(&arr);
+               array_init(&arr);
        }
+
+       if (url) {
+               if (url->scheme) {
+                       add_assoc_string(&arr, "scheme", url->scheme, 1);
+               }
+               if (url->user) {
+                       add_assoc_string(&arr, "user", url->user, 1);
+               }
+               if (url->pass) {
+                       add_assoc_string(&arr, "pass", url->pass, 1);
+               }
+               if (url->host) {
+                       add_assoc_string(&arr, "host", url->host, 1);
+               }
+               if (url->port) {
+                       add_assoc_long(&arr, "port", (long) url->port);
+               }
+               if (url->path) {
+                       add_assoc_string(&arr, "path", url->path, 1);
+               }
+               if (url->query) {
+                       add_assoc_string(&arr, "query", url->query, 1);
+               }
+               if (url->fragment) {
+                       add_assoc_string(&arr, "fragment", url->fragment, 1);
+               }
+       }
+
+       return Z_ARRVAL(arr);
 }
 
 STATUS php_http_url_encode_hash(HashTable *hash, const char *pre_encoded_str, size_t pre_encoded_len, char **encoded_str, size_t *encoded_len TSRMLS_DC)
@@ -335,7 +600,44 @@ void php_http_url_free(php_http_url_t **url)
        }
 }
 
-static size_t parse_mb_utf8(struct parse_state *state, const char *ptr, const char *end, zend_bool idn)
+php_http_url_t *php_http_url_copy(const php_http_url_t *url, zend_bool persistent)
+{
+       php_http_url_t *cpy;
+       const char *end = NULL, *url_ptr = (const char *) url;
+       char *cpy_ptr;
+
+       end = MAX(url->scheme, end);
+       end = MAX(url->pass, end);
+       end = MAX(url->user, end);
+       end = MAX(url->host, end);
+       end = MAX(url->path, end);
+       end = MAX(url->query, end);
+       end = MAX(url->fragment, end);
+
+       if (end) {
+               end += strlen(end) + 1;
+               cpy_ptr = pecalloc(1, end - url_ptr, persistent);
+               cpy = (php_http_url_t *) cpy_ptr;
+
+               memcpy(cpy_ptr + sizeof(*cpy), url_ptr + sizeof(*url), end - url_ptr - sizeof(*url));
+
+               cpy->scheme = url->scheme ? cpy_ptr + (url->scheme - url_ptr) : NULL;
+               cpy->pass = url->pass ? cpy_ptr + (url->pass - url_ptr) : NULL;
+               cpy->user = url->user ? cpy_ptr + (url->user - url_ptr) : NULL;
+               cpy->host = url->host ? cpy_ptr + (url->host - url_ptr) : NULL;
+               cpy->path = url->path ? cpy_ptr + (url->path - url_ptr) : NULL;
+               cpy->query = url->query ? cpy_ptr + (url->query - url_ptr) : NULL;
+               cpy->fragment = url->fragment ? cpy_ptr + (url->fragment - url_ptr) : NULL;
+       } else {
+               cpy = ecalloc(1, sizeof(*url));
+       }
+
+       cpy->port = url->port;
+
+       return cpy;
+}
+
+static size_t parse_mb_utf8(unsigned *wc, const char *ptr, const char *end)
 {
        unsigned wchar;
        size_t consumed = utf8towc(&wchar, (const unsigned char *) ptr, end - ptr);
@@ -343,15 +645,15 @@ static size_t parse_mb_utf8(struct parse_state *state, const char *ptr, const ch
        if (!consumed || consumed == (size_t) -1) {
                return 0;
        }
-       if (!idn && !isualnum(wchar)) {
-               return 0;
-       }
 
+       if (wc) {
+               *wc = wchar;
+       }
        return consumed;
 }
 
 #ifdef PHP_HTTP_HAVE_WCHAR
-static size_t parse_mb_loc(struct parse_state *state, const char *ptr, const char *end, zend_bool idn)
+static size_t parse_mb_loc(unsigned *wc, const char *ptr, const char *end)
 {
        wchar_t wchar;
        size_t consumed = 0;
@@ -366,10 +668,10 @@ static size_t parse_mb_loc(struct parse_state *state, const char *ptr, const cha
        if (!consumed || consumed == (size_t) -1) {
                return 0;
        }
-       if (!idn && !iswalnum(wchar)) {
-               return 0;
-       }
 
+       if (wc) {
+               *wc = wchar;
+       }
        return consumed;
 }
 #endif
@@ -396,20 +698,33 @@ static const char parse_xdigits[] = "0123456789ABCDEF";
 
 static size_t parse_mb(struct parse_state *state, parse_mb_what_t what, const char *ptr, const char *end, const char *begin, zend_bool silent)
 {
+       unsigned wchar;
        size_t consumed = 0;
-       zend_bool idn = (what == PARSE_HOSTINFO) && (state->flags & PHP_HTTP_URL_PARSE_TOIDN);
 
        if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
-               consumed = parse_mb_utf8(state, ptr, end, idn);
+               consumed = parse_mb_utf8(&wchar, ptr, end);
        }
 #ifdef PHP_HTTP_HAVE_WCHAR
        else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
-               consumed = parse_mb_loc(state, ptr, end, idn);
+               consumed = parse_mb_loc(&wchar, ptr, end);
        }
 #endif
 
-       if (consumed) {
+       while (consumed) {
                if (!(state->flags & PHP_HTTP_URL_PARSE_TOPCT) || what == PARSE_HOSTINFO || what == PARSE_SCHEME) {
+                       if (what == PARSE_HOSTINFO && (state->flags & PHP_HTTP_URL_PARSE_TOIDN)) {
+                               /* idna */
+                       } else if (state->flags & PHP_HTTP_URL_PARSE_MBUTF8) {
+                               if (!isualnum(wchar)) {
+                                       break;
+                               }
+#ifdef PHP_HTTP_HAVE_WCHAR
+                       } else if (state->flags & PHP_HTTP_URL_PARSE_MBLOC) {
+                               if (!iswalnum(wchar)) {
+                                       break;
+                               }
+#endif
+                       }
                        PHP_HTTP_DUFF(consumed, state->buffer[state->offset++] = *ptr++);
                } else {
                        int i = 0;
@@ -421,14 +736,18 @@ static size_t parse_mb(struct parse_state *state, parse_mb_what_t what, const ch
                                        ++i;
                        );
                }
-       } else if (!silent) {
+
+               return consumed;
+       }
+
+       if (!silent) {
                TSRMLS_FETCH_FROM_CTX(state->ts);
                php_error_docref(NULL TSRMLS_CC, E_WARNING,
                                "Failed to parse %s; unexpected byte 0x%02x at pos %u in '%s'",
                                parse_what[what], (unsigned char) *ptr, (unsigned) (ptr - begin), begin);
        }
 
-       return consumed;
+       return 0;
 }
 
 static STATUS parse_userinfo(struct parse_state *state, const char *ptr)
@@ -590,7 +909,9 @@ static STATUS parse_hostinfo(struct parse_state *state, const char *ptr)
                        break;
 
                default:
-                       if (port) {
+                       if (ptr == end) {
+                               break;
+                       } else if (port) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING,
                                                "Failed to parse port; unexpected byte 0x%02x at pos %u in '%s'",
                                                (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
@@ -661,6 +982,7 @@ static const char *parse_authority(struct parse_state *state)
                case '?':
                case '#':
                case '\0':
+                       EOD:
                        /* host delimiter */
                        if (tmp != state->ptr && SUCCESS != parse_hostinfo(state, tmp)) {
                                return NULL;
@@ -669,7 +991,8 @@ static const char *parse_authority(struct parse_state *state)
                }
        } while (++state->ptr <= state->end);
 
-       return NULL;
+       --state->ptr;
+       goto EOD;
 }
 
 static const char *parse_path(struct parse_state *state)
@@ -689,14 +1012,7 @@ static const char *parse_path(struct parse_state *state)
                switch (*state->ptr) {
                case '#':
                case '?':
-               case '\0':
-                       /* did we have any path component ? */
-                       if (tmp != state->ptr) {
-                               state->buffer[state->offset++] = 0;
-                       } else {
-                               state->url.path = NULL;
-                       }
-                       return state->ptr;
+                       goto done;
 
                case '%':
                        if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
@@ -735,9 +1051,16 @@ static const char *parse_path(struct parse_state *state)
                        }
                        state->ptr += mb - 1;
                }
-       } while (++state->ptr <= state->end);
+       } while (++state->ptr < state->end);
 
-       return NULL;
+       done:
+       /* did we have any path component ? */
+       if (tmp != state->ptr) {
+               state->buffer[state->offset++] = 0;
+       } else {
+               state->url.path = NULL;
+       }
+       return state->ptr;
 }
 
 static const char *parse_query(struct parse_state *state)
@@ -758,9 +1081,7 @@ static const char *parse_query(struct parse_state *state)
        do {
                switch (*state->ptr) {
                case '#':
-               case '\0':
-                       state->buffer[state->offset++] = 0;
-                       return state->ptr;
+                       goto done;
 
                case '%':
                        if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
@@ -774,6 +1095,16 @@ static const char *parse_query(struct parse_state *state)
                        state->buffer[state->offset++] = *state->ptr;
                        break;
 
+               case ']':
+               case '[':
+                       if (state->flags & PHP_HTTP_URL_PARSE_TOPCT) {
+                               state->buffer[state->offset++] = '%';
+                               state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) >> 4];
+                               state->buffer[state->offset++] = parse_xdigits[((unsigned char) *state->ptr) & 0xf];
+                               break;
+                       }
+                       /* no break */
+
                case '?': case '/': /* yeah, well */
                case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
                case '+': case ',': case ';': case '=': /* sub-delims */
@@ -799,9 +1130,11 @@ static const char *parse_query(struct parse_state *state)
                        }
                        state->ptr += mb - 1;
                }
-       } while (++state->ptr <= state->end);
+       } while (++state->ptr < state->end);
 
-       return NULL;
+       done:
+       state->buffer[state->offset++] = 0;
+       return state->ptr;
 }
 
 static const char *parse_fragment(struct parse_state *state)
@@ -821,10 +1154,6 @@ static const char *parse_fragment(struct parse_state *state)
 
        do {
                switch (*state->ptr) {
-               case '\0':
-                       state->buffer[state->offset++] = 0;
-                       return state->ptr;
-
                case '%':
                        if (state->ptr[1] != '%' && (state->end - state->ptr <= 2 || !isxdigit(*(state->ptr+1)) || !isxdigit(*(state->ptr+2)))) {
                                php_error_docref(NULL TSRMLS_CC, E_WARNING,
@@ -862,9 +1191,10 @@ static const char *parse_fragment(struct parse_state *state)
                        }
                        state->ptr += mb - 1;
                }
-       } while (++state->ptr <= state->end);
+       } while (++state->ptr < state->end);
 
-       return NULL;
+       state->buffer[state->offset++] = 0;
+       return state->ptr;
 }
 
 static const char *parse_hier(struct parse_state *state)
@@ -923,7 +1253,7 @@ static const char *parse_scheme(struct parse_state *state)
                }
        } while (++state->ptr != state->end);
 
-       return tmp;
+       return state->ptr = tmp;
 }
 
 php_http_url_t *php_http_url_parse(const char *str, size_t len, unsigned flags TSRMLS_DC)
@@ -963,6 +1293,33 @@ php_http_url_t *php_http_url_parse(const char *str, size_t len, unsigned flags T
        return (php_http_url_t *) state;
 }
 
+php_http_url_t *php_http_url_parse_authority(const char *str, size_t len, unsigned flags TSRMLS_DC)
+{
+       size_t maxlen = 3 * len;
+       struct parse_state *state = ecalloc(1, sizeof(*state) + maxlen);
+
+       state->end = str + len;
+       state->ptr = str;
+       state->flags = flags;
+       state->maxlen = maxlen;
+       TSRMLS_SET_CTX(state->ts);
+
+       if (!(state->ptr = parse_authority(state))) {
+               efree(state);
+               return NULL;
+       }
+
+       if (state->ptr != state->end) {
+               php_error_docref(NULL TSRMLS_CC, E_WARNING,
+                               "Failed to parse URL authority, unexpected character at pos %u in '%s'",
+                               (unsigned) (state->ptr - str), str);
+               efree(state);
+               return NULL;
+       }
+
+       return (php_http_url_t *) state;
+}
+
 ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl___construct, 0, 0, 0)
        ZEND_ARG_INFO(0, old_url)
        ZEND_ARG_INFO(0, new_url)
@@ -978,59 +1335,35 @@ PHP_METHOD(HttpUrl, __construct)
 
        zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh TSRMLS_CC);
        {
-               php_url *res_purl, *new_purl = NULL, *old_purl = NULL;
+               php_http_url_t *res_purl, *new_purl = NULL, *old_purl = NULL;
 
                if (new_url) {
-                       switch (Z_TYPE_P(new_url)) {
-                               case IS_OBJECT:
-                               case IS_ARRAY:
-                                       new_purl = php_http_url_from_struct(NULL, HASH_OF(new_url) TSRMLS_CC);
-                                       break;
-                               default: {
-                                       zval *cpy = php_http_ztyp(IS_STRING, new_url);
-
-                                       new_purl = php_url_parse(Z_STRVAL_P(cpy));
-                                       zval_ptr_dtor(&cpy);
-                                       break;
-                               }
-                       }
+                       new_purl = php_http_url_from_zval(new_url, flags TSRMLS_CC);
                        if (!new_purl) {
                                zend_restore_error_handling(&zeh TSRMLS_CC);
                                return;
                        }
                }
                if (old_url) {
-                       switch (Z_TYPE_P(old_url)) {
-                               case IS_OBJECT:
-                               case IS_ARRAY:
-                                       old_purl = php_http_url_from_struct(NULL, HASH_OF(old_url) TSRMLS_CC);
-                                       break;
-                               default: {
-                                       zval *cpy = php_http_ztyp(IS_STRING, old_url);
-
-                                       old_purl = php_url_parse(Z_STRVAL_P(cpy));
-                                       zval_ptr_dtor(&cpy);
-                                       break;
-                               }
-                       }
+                       old_purl = php_http_url_from_zval(old_url, flags TSRMLS_CC);
                        if (!old_purl) {
                                if (new_purl) {
-                                       php_url_free(new_purl);
+                                       php_http_url_free(&new_purl);
                                }
                                zend_restore_error_handling(&zeh TSRMLS_CC);
                                return;
                        }
                }
 
-               php_http_url(flags, old_purl, new_purl, &res_purl, NULL, NULL TSRMLS_CC);
+               res_purl = php_http_url_mod(old_purl, new_purl, flags TSRMLS_CC);
                php_http_url_to_struct(res_purl, getThis() TSRMLS_CC);
 
-               php_url_free(res_purl);
+               php_http_url_free(&res_purl);
                if (old_purl) {
-                       php_url_free(old_purl);
+                       php_http_url_free(&old_purl);
                }
                if (new_purl) {
-                       php_url_free(new_purl);
+                       php_http_url_free(&new_purl);
                }
        }
        zend_restore_error_handling(&zeh TSRMLS_CC);
@@ -1050,41 +1383,29 @@ PHP_METHOD(HttpUrl, mod)
 
        zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh TSRMLS_CC);
        {
-               php_url *new_purl = NULL, *old_purl = NULL;
+               php_http_url_t *new_purl = NULL, *old_purl = NULL;
 
                if (new_url) {
-                       switch (Z_TYPE_P(new_url)) {
-                               case IS_OBJECT:
-                               case IS_ARRAY:
-                                       new_purl = php_http_url_from_struct(NULL, HASH_OF(new_url) TSRMLS_CC);
-                                       break;
-                               default: {
-                                       zval *cpy = php_http_ztyp(IS_STRING, new_url);
-
-                                       new_purl = php_url_parse(Z_STRVAL_P(new_url));
-                                       zval_ptr_dtor(&cpy);
-                                       break;
-                               }
-                       }
+                       new_purl = php_http_url_from_zval(new_url, flags TSRMLS_CC);
                        if (!new_purl) {
                                zend_restore_error_handling(&zeh TSRMLS_CC);
                                return;
                        }
                }
 
-               if ((old_purl = php_http_url_from_struct(NULL, HASH_OF(getThis()) TSRMLS_CC))) {
-                       php_url *res_purl;
+               if ((old_purl = php_http_url_from_struct(HASH_OF(getThis())))) {
+                       php_http_url_t *res_purl;
 
                        ZVAL_OBJVAL(return_value, zend_objects_clone_obj(getThis() TSRMLS_CC), 0);
 
-                       php_http_url(flags, old_purl, new_purl, &res_purl, NULL, NULL TSRMLS_CC);
+                       res_purl = php_http_url_mod(old_purl, new_purl, flags TSRMLS_CC);
                        php_http_url_to_struct(res_purl, return_value TSRMLS_CC);
 
-                       php_url_free(res_purl);
-                       php_url_free(old_purl);
+                       php_http_url_free(&res_purl);
+                       php_http_url_free(&old_purl);
                }
                if (new_purl) {
-                       php_url_free(new_purl);
+                       php_http_url_free(&new_purl);
                }
        }
        zend_restore_error_handling(&zeh TSRMLS_CC);
@@ -1095,14 +1416,14 @@ ZEND_END_ARG_INFO();
 PHP_METHOD(HttpUrl, toString)
 {
        if (SUCCESS == zend_parse_parameters_none()) {
-               php_url *purl;
+               php_http_url_t *purl;
 
-               if ((purl = php_http_url_from_struct(NULL, HASH_OF(getThis()) TSRMLS_CC))) {
+               if ((purl = php_http_url_from_struct(HASH_OF(getThis())))) {
                        char *str;
                        size_t len;
 
-                       php_http_url(0, purl, NULL, NULL, &str, &len TSRMLS_CC);
-                       php_url_free(purl);
+                       php_http_url_to_string(purl, &str, &len, 0);
+                       php_http_url_free(&purl);
                        RETURN_STRINGL(str, len, 0);
                }
        }
@@ -1113,70 +1434,16 @@ ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_toArray, 0, 0, 0)
 ZEND_END_ARG_INFO();
 PHP_METHOD(HttpUrl, toArray)
 {
-       php_url *purl;
+       php_http_url_t *purl;
 
        if (SUCCESS != zend_parse_parameters_none()) {
                return;
        }
 
        /* strip any non-URL properties */
-       purl = php_http_url_from_struct(NULL, HASH_OF(getThis()) TSRMLS_CC);
+       purl = php_http_url_from_struct(HASH_OF(getThis()));
        php_http_url_to_struct(purl, return_value TSRMLS_CC);
-       php_url_free(purl);
-}
-
-ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl_parse, 0, 0, 1)
-       ZEND_ARG_INFO(0, url)
-       ZEND_ARG_INFO(0, flags)
-ZEND_END_ARG_INFO();
-PHP_METHOD(HttpUrl, parse)
-{
-       char *str;
-       int len;
-       long flags = 0;
-       php_http_url_t *url;
-       zend_error_handling zeh;
-
-       php_http_expect(SUCCESS == zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "s|l", &str, &len, &flags), invalid_arg, return);
-
-       zend_replace_error_handling(EH_THROW, php_http_exception_bad_url_class_entry, &zeh TSRMLS_CC);
-       if ((url = php_http_url_parse(str, len, flags TSRMLS_CC))) {
-               object_init_ex(return_value, php_http_url_class_entry);
-               if (url->scheme) {
-                       zend_update_property_string(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("scheme"), url->scheme TSRMLS_CC);
-               }
-               if (url->user) {
-                       zend_update_property_string(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("user"), url->user TSRMLS_CC);
-               }
-               if (url->pass) {
-                       zend_update_property_string(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("pass"), url->pass TSRMLS_CC);
-               }
-               if (url->host) {
-                       zend_update_property_string(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("host"), url->host TSRMLS_CC);
-               }
-               if (url->port) {
-                       zend_update_property_long(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("port"), url->port TSRMLS_CC);
-               }
-               if (url->path) {
-                       zend_update_property_string(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("path"), url->path TSRMLS_CC);
-               }
-               if (url->query) {
-                       zend_update_property_string(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("query"), url->query TSRMLS_CC);
-               }
-               if (url->fragment) {
-                       zend_update_property_string(php_http_url_class_entry, return_value,
-                                       ZEND_STRL("fragment"), url->fragment TSRMLS_CC);
-               }
-               php_http_url_free(&url);
-       }
-       zend_restore_error_handling(&zeh TSRMLS_CC);
+       php_http_url_free(&purl);
 }
 
 static zend_function_entry php_http_url_methods[] = {
@@ -1185,7 +1452,6 @@ static zend_function_entry php_http_url_methods[] = {
        PHP_ME(HttpUrl, toString,     ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
        ZEND_MALIAS(HttpUrl, __toString, toString, ai_HttpUrl_toString, ZEND_ACC_PUBLIC)
        PHP_ME(HttpUrl, toArray,      ai_HttpUrl_toArray, ZEND_ACC_PUBLIC)
-       PHP_ME(HttpUrl, parse,        ai_HttpUrl_parse, ZEND_ACC_PUBLIC|ZEND_ACC_STATIC)
        EMPTY_FUNCTION_ENTRY
 };