+#endif
+ }
+ php_error_docref(NULL TSRMLS_CC, E_WARNING,
+ "Failed to parse hostinfo; unexpected byte 0x%02x at pos %u in '%s'",
+ (unsigned char) *ptr, (unsigned) (ptr - tmp), tmp);
+ return FAILURE;
+ }
+ } while (++ptr != end);
+
+ if (port) {
+ url->authority.host.len = port - tmp - 1;
+ } else {
+ url->authority.host.len = end - tmp;
+ }
+
+ url->authority.host.str = estrndup(tmp, url->authority.host.len);
+
+#ifdef PHP_HTTP_HAVE_IDN
+ if (url->flags & PHP_HTTP_URL_PARSE_UTF8IDN) {
+ char *idn = NULL;
+ int rv = idna_to_ascii_8z(url->authority.host.str, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
+
+ if (rv != IDNA_SUCCESS) {
+ php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Failed to parse IDN: '%s'", idna_strerror(rv));
+ } else {
+ STR_SET(url->authority.host.str, estrdup(idn));
+ free(idn);
+ }
+ } else if (url->flags & PHP_HTTP_URL_PARSE_LOCIDN) {
+ char *idn = NULL;
+ int rv = idna_to_ascii_lz(url->authority.host.str, &idn, IDNA_ALLOW_UNASSIGNED|IDNA_USE_STD3_ASCII_RULES);
+
+ if (rv != IDNA_SUCCESS) {
+ php_error_docref(NULL TSRMLS_CC, E_NOTICE, "Failed to parse IDN: '%s'", idna_strerror(rv));
+ } else {
+ STR_SET(url->authority.host.str, estrdup(idn));
+ free(idn);
+ }
+ }
+#endif
+
+ return SUCCESS;
+}
+
+static const char *parse_authority(php_http_url_t *url, const char *ptr, const char *end)
+{
+ const char *tmp = ptr;
+
+ do {
+ switch (*ptr) {
+ case '@':
+ /* userinfo delimiter */
+ if (tmp != ptr && SUCCESS != parse_userinfo(url, tmp, ptr)) {
+ return NULL;
+ }
+ tmp = ptr + 1;
+ break;
+
+ case '/':
+ case '?':
+ case '#':
+ case '\0':
+ /* host delimiter */
+ if (tmp != ptr && SUCCESS != parse_hostinfo(url, tmp, ptr)) {
+ return NULL;
+ }
+ return ptr;
+ }
+ } while (++ptr <= end);
+
+ return NULL;
+}
+
+static const char *parse_path(php_http_url_t *url, const char *ptr, const char *end)
+{
+ const char *tmp = ptr;
+ TSRMLS_FETCH_FROM_CTX(url->ts);
+
+ do {
+ switch (*ptr) {
+ case '?':
+ case '\0':
+ url->path.len = ptr - tmp;
+ url->path.str = estrndup(tmp, url->path.len);
+ return ptr;
+
+ case '%':
+ if (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2))) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING,
+ "Failed to parse path; invalid percent encoding at pos %u in '%s'",
+ (unsigned) (ptr - tmp), tmp);
+ return NULL;
+ }
+ ptr += 2;
+ break;
+
+ case '/': /* yeah, well */
+ case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
+ case '+': case ',': case ';': case '=': /* sub-delims */
+ case '-': case '.': case '_': case '~': /* unreserved */
+ case ':': case '@': /* pchar */
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
+ case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
+ case 'V': case 'W': case 'X': case 'Y': case 'Z':
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
+ case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
+ case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
+ case 'v': case 'w': case 'x': case 'y': case 'z':
+ case '0': case '1': case '2': case '3': case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ /* allowed */
+ break;
+
+ default:
+ if (url->flags & PHP_HTTP_URL_PARSE_UTF8MB) {
+ size_t n = parse_utf8mb(url, ptr, end);
+
+ if (n) {
+ ptr += n;
+ break;
+ }
+ }
+#if PHP_HTTP_HAVE_WCHAR
+ else if (url->flags & PHP_HTTP_URL_PARSE_LOCMB) {
+ size_t n = parse_locmb(url, ptr, end);
+
+ if (n) {
+ ptr += n;
+ break;
+ }
+ }
+#endif
+ php_error_docref(NULL TSRMLS_CC, E_WARNING,
+ "Failed to parse path; unexpected byte 0x%02x pos %u in '%s'",
+ *ptr, (unsigned) (ptr - tmp), tmp);
+ }
+ } while (++ptr <= end);
+
+ return NULL;
+}
+
+static const char *parse_query(php_http_url_t *url, const char *ptr, const char *end)
+{
+ const char *tmp = ptr + !!*ptr;
+ TSRMLS_FETCH_FROM_CTX(url->ts);
+
+ do {
+ switch (*ptr) {
+ case '#':
+ case '\0':
+ url->query.len = ptr - tmp;
+ url->query.str = estrndup(tmp, url->query.len);
+ return ptr;
+
+ case '%':
+ if (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2))) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING,
+ "Failed to parse query; invalid percent encoding at pos %u in '%s'",
+ (unsigned) (ptr - tmp), tmp);
+ return NULL;
+ }
+ ptr += 2;
+ break;
+
+ case '?': case '/': /* yeah, well */
+ case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
+ case '+': case ',': case ';': case '=': /* sub-delims */
+ case '-': case '.': case '_': case '~': /* unreserved */
+ case ':': case '@': /* pchar */
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
+ case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
+ case 'V': case 'W': case 'X': case 'Y': case 'Z':
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
+ case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
+ case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
+ case 'v': case 'w': case 'x': case 'y': case 'z':
+ case '0': case '1': case '2': case '3': case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ /* allowed */
+ break;
+
+ default:
+#ifdef PHP_HTTP_HAVE_WCHAR
+ if (url->flags & PHP_HTTP_URL_PARSE_LOCMB) {
+ size_t n = parse_locmb(url, ptr, end);
+
+ if (n) {
+ ptr += n;
+ break;
+ }
+ }
+#endif
+ php_error_docref(NULL TSRMLS_CC, E_WARNING,
+ "Failed to parse query; unexpected byte 0x%02x at pos %u in '%s'",
+ *ptr, (unsigned) (ptr - tmp), tmp);
+ }
+ } while (++ptr <= end);
+
+ return NULL;
+}
+
+static const char *parse_fragment(php_http_url_t *url, const char *ptr, const char *end)
+{
+ const char *tmp = ptr + !!*ptr;
+ TSRMLS_FETCH_FROM_CTX(url->ts);
+
+ do {
+ switch (*ptr) {
+ case '\0':
+ url->fragment.len = ptr - tmp;
+ url->fragment.str = estrndup(tmp, url->fragment.len);
+ return ptr;
+
+ case '%':
+ if (end - ptr <= 2 || !isxdigit(*(ptr+1)) || !isxdigit(*(ptr+2))) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING,
+ "Failed to parse query; invalid percent encoding at pos %u in '%s'",
+ (unsigned) (ptr - tmp), tmp);
+ return NULL;
+ }
+ ptr += 2;
+ break;
+
+ case '?': case '/': /* yeah, well */
+ case '!': case '$': case '&': case '\'': case '(': case ')': case '*':
+ case '+': case ',': case ';': case '=': /* sub-delims */
+ case '-': case '.': case '_': case '~': /* unreserved */
+ case ':': case '@': /* pchar */
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
+ case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
+ case 'V': case 'W': case 'X': case 'Y': case 'Z':
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
+ case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
+ case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
+ case 'v': case 'w': case 'x': case 'y': case 'z':
+ case '0': case '1': case '2': case '3': case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ /* allowed */
+ break;
+
+ default:
+#if PHP_HTTP_HAVE_WCHAR
+ if (url->flags & PHP_HTTP_URL_PARSE_LOCMB) {
+ size_t n = parse_locmb(url, ptr, end);
+
+ if (n) {
+ ptr += n;
+ break;
+ }
+ }
+#endif
+ php_error_docref(NULL TSRMLS_CC, E_WARNING,
+ "Failed to parse fragment; unexpected byte 0x%02x at pos %u in '%s'",
+ *ptr, (unsigned) (ptr - tmp), tmp);
+ }
+ } while (++ptr <= end);
+
+ return NULL;
+}
+
+static const char *parse_hier(php_http_url_t *url, const char *ptr, const char *end)
+{
+ if (*ptr == '/') {
+ if (end - ptr > 1) {
+ if (*(ptr + 1) == '/') {
+ if (!(ptr = parse_authority(url, ptr + 2, end))) {
+ return NULL;
+ }
+ }
+ }
+ }
+ return parse_path(url, ptr, end);
+}
+
+static const char *parse_scheme(php_http_url_t *url, const char *ptr, const char *end)
+{
+ const char *tmp = ptr;
+
+ do {
+ switch (*ptr) {
+ case ':':
+ /* scheme delimiter */
+ url->scheme.len = ptr - tmp;
+ url->scheme.str = estrndup(tmp, url->scheme.len);
+ return ++ptr;
+
+ case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G':
+ case 'H': case 'I': case 'J': case 'K': case 'L': case 'M': case 'N':
+ case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T': case 'U':
+ case 'V': case 'W': case 'X': case 'Y': case 'Z':
+ case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g':
+ case 'h': case 'i': case 'j': case 'k': case 'l': case 'm': case 'n':
+ case 'o': case 'p': case 'q': case 'r': case 's': case 't': case 'u':
+ case 'v': case 'w': case 'x': case 'y': case 'z':
+ case '0': case '1': case '2': case '3': case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ case '+': case '-': case '.':
+ /* scheme part */
+ break;
+
+ default:
+#ifdef PHP_HTTP_HAVE_WCHAR
+ if (url->flags & PHP_HTTP_URL_PARSE_LOCMB) {
+ size_t n = parse_locmb(url, ptr, end);
+
+ if (n) {
+ ptr += n;
+ break;
+ }
+ }
+#endif
+ /* no scheme */
+ return tmp;
+ }
+ } while (++ptr != end);
+
+ return tmp;
+}
+
+php_http_url_t *php_http_url_init(php_http_url_t *url, const char *str, size_t len, unsigned flags TSRMLS_DC)
+{
+ const char *ptr, *end = str + len;
+ zend_bool free_url = !url;
+
+ if (url) {
+ memset(url, 0, sizeof(*url));
+ } else {
+ url = ecalloc(1, sizeof(*url));
+ }
+
+ url->flags = flags;
+ TSRMLS_SET_CTX(url->ts);
+
+ if ((ptr = str) && !(str = parse_scheme(url, ptr, end))) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL scheme: '%s'", ptr);
+ if (free_url) {
+ php_http_url_free(&url);
+ } else {
+ php_http_url_dtor(url);
+ }
+ return NULL;
+ }
+
+ if ((ptr = str) && !(str = parse_hier(url, ptr, end))) {
+ if (free_url) {
+ php_http_url_free(&url);
+ } else {
+ php_http_url_dtor(url);
+ }
+ return NULL;
+ }
+
+ if ((ptr = str) && !(str = parse_query(url, ptr, end))) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL query: '%s'", ptr);
+ if (free_url) {
+ php_http_url_free(&url);
+ } else {
+ php_http_url_dtor(url);
+ }
+ return NULL;
+ }
+
+ if ((ptr = str) && !(str = parse_fragment(url, ptr, end))) {
+ php_error_docref(NULL TSRMLS_CC, E_WARNING, "Failed to parse URL fragment: '%s'", ptr);
+ if (free_url) {
+ php_http_url_free(&url);
+ } else {
+ php_http_url_dtor(url);
+ }
+ return NULL;
+ }
+
+ return url;
+}
+
+ZEND_BEGIN_ARG_INFO_EX(ai_HttpUrl___construct, 0, 0, 0)
+ ZEND_ARG_INFO(0, old_url)
+ ZEND_ARG_INFO(0, new_url)
+ ZEND_ARG_INFO(0, flags)
+ZEND_END_ARG_INFO();
+PHP_METHOD(HttpUrl, __construct)
+{
+ zval *new_url = NULL, *old_url = NULL;
+ long flags = PHP_HTTP_URL_FROM_ENV;
+ zend_error_handling zeh;