From 19f4f86bfed21c5326ed2acebe1163f3a83e832b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 04:25:50 +0200 Subject: Adding upstream version 241. Signed-off-by: Daniel Baumann --- src/shared/web-util.c | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 src/shared/web-util.c (limited to 'src/shared/web-util.c') diff --git a/src/shared/web-util.c b/src/shared/web-util.c new file mode 100644 index 0000000..edf650d --- /dev/null +++ b/src/shared/web-util.c @@ -0,0 +1,53 @@ +/* SPDX-License-Identifier: LGPL-2.1+ */ + +#include + +#include "string-util.h" +#include "strv.h" +#include "utf8.h" +#include "web-util.h" + +bool http_etag_is_valid(const char *etag) { + if (isempty(etag)) + return false; + + if (!endswith(etag, "\"")) + return false; + + if (!STARTSWITH_SET(etag, "\"", "W/\"")) + return false; + + return true; +} + +bool http_url_is_valid(const char *url) { + const char *p; + + if (isempty(url)) + return false; + + p = STARTSWITH_SET(url, "http://", "https://"); + if (!p) + return false; + + if (isempty(p)) + return false; + + return ascii_is_valid(p); +} + +bool documentation_url_is_valid(const char *url) { + const char *p; + + if (isempty(url)) + return false; + + if (http_url_is_valid(url)) + return true; + + p = STARTSWITH_SET(url, "file:/", "info:", "man:"); + if (isempty(p)) + return false; + + return ascii_is_valid(p); +} -- cgit v1.2.3