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54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <stdbool.h>
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#include "string-util.h"
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#include "strv.h"
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#include "utf8.h"
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#include "web-util.h"
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bool http_etag_is_valid(const char *etag) {
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if (isempty(etag))
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return false;
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if (!endswith(etag, "\""))
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return false;
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if (!STARTSWITH_SET(etag, "\"", "W/\""))
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return false;
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return true;
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}
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bool http_url_is_valid(const char *url) {
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const char *p;
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if (isempty(url))
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return false;
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p = STARTSWITH_SET(url, "http://", "https://");
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if (!p)
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return false;
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if (isempty(p))
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return false;
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return ascii_is_valid(p);
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}
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bool documentation_url_is_valid(const char *url) {
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const char *p;
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if (isempty(url))
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return false;
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if (http_url_is_valid(url))
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return true;
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p = STARTSWITH_SET(url, "file:/", "info:", "man:");
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if (isempty(p))
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return false;
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return ascii_is_valid(p);
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}
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