Mercurial > dovecot > core-2.2

changeset 23014:c6116e84af30

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lib-http: Add http_client_request_add_missing_header()
author Timo Sirainen <timo.sirainen@open-xchange.com>
date Mon, 27 May 2019 18:25:38 +0300
parents ddfa057027c5
children ae4659f289a9
files src/lib-http/http-client-request.c src/lib-http/http-client.h
diffstat 2 files changed, 20 insertions(+), 3 deletions(-) [+]
line wrap: on
line diff
--- a/src/lib-http/http-client-request.c	Mon May 27 17:55:56 2019 +0300
+++ b/src/lib-http/http-client-request.c	Mon May 27 18:25:38 2019 +0300
@@ -364,8 +364,10 @@
 	return FALSE;
 }
 
-void http_client_request_add_header(struct http_client_request *req,
-				    const char *key, const char *value)
+static void
+http_client_request_add_header_full(struct http_client_request *req,
+				    const char *key, const char *value,
+				    bool replace_existing)
 {
 	size_t key_pos, value_pos, next_pos;
 
@@ -418,13 +420,25 @@
 	if (!http_client_request_lookup_header_pos(req, key, &key_pos,
 						   &value_pos, &next_pos))
 		str_printfa(req->headers, "%s: %s\r\n", key, value);
-	else {
+	else if (replace_existing) {
 		/* don't delete CRLF */
 		size_t old_value_len = next_pos - value_pos - 2;
 		str_replace(req->headers, value_pos, old_value_len, value);
 	}
 }
 
+void http_client_request_add_header(struct http_client_request *req,
+				    const char *key, const char *value)
+{
+	http_client_request_add_header_full(req, key, value, TRUE);
+}
+
+void http_client_request_add_missing_header(struct http_client_request *req,
+					    const char *key, const char *value)
+{
+	http_client_request_add_header_full(req, key, value, FALSE);
+}
+
 void http_client_request_remove_header(struct http_client_request *req,
 				       const char *key)
 {
--- a/src/lib-http/http-client.h	Mon May 27 17:55:56 2019 +0300
+++ b/src/lib-http/http-client.h	Mon May 27 18:25:38 2019 +0300
@@ -284,6 +284,9 @@
    the value is replaced. */
 void http_client_request_add_header(struct http_client_request *req,
 				    const char *key, const char *value);
+/* add a custom header to the request. Do nothing if it was already added. */
+void http_client_request_add_missing_header(struct http_client_request *req,
+					    const char *key, const char *value);
 /* remove a header added earlier. This has no influence on implicitly created
    headers. */
 void http_client_request_remove_header(struct http_client_request *req,