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http: Retry auth if it failed due to being stale 

Allow up to 4 retries for normal requests, where both the
proxy and the target server might need to authenticate.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2012-03-12 14:00:16 +02:00
parent cdf9108b6a
commit e75bbcf493
1 changed files with 12 additions and 7 deletions
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19
libavformat/http.c
View File

@ -93,7 +93,7 @@ static int http_open_cnx(URLContext *h)
char auth[1024], proxyauth[1024] = "";
char path1[1024];
char buf[1024], urlbuf[1024];
int port, use_proxy, err, location_changed = 0, redirects = 0;
int port, use_proxy, err, location_changed = 0, redirects = 0, attempts = 0;
HTTPAuthType cur_auth_type, cur_proxy_auth_type;
HTTPContext *s = h->priv_data;
URLContext *hd = NULL;
@ -145,16 +145,18 @@ static int http_open_cnx(URLContext *h)
cur_proxy_auth_type = s->auth_state.auth_type;
if (http_connect(h, path, local_path, hoststr, auth, proxyauth, &location_changed) < 0)
goto fail;
attempts++;
if (s->http_code == 401) {
if (cur_auth_type == HTTP_AUTH_NONE && s->auth_state.auth_type != HTTP_AUTH_NONE) {
if ((cur_auth_type == HTTP_AUTH_NONE || s->auth_state.stale) &&
s->auth_state.auth_type != HTTP_AUTH_NONE && attempts < 4) {
ffurl_close(hd);
goto redo;
} else
goto fail;
}
if (s->http_code == 407) {
if (cur_proxy_auth_type == HTTP_AUTH_NONE &&
s->proxy_auth_state.auth_type != HTTP_AUTH_NONE) {
if ((cur_proxy_auth_type == HTTP_AUTH_NONE || s->proxy_auth_state.stale) &&
s->proxy_auth_state.auth_type != HTTP_AUTH_NONE && attempts < 4) {
ffurl_close(hd);
goto redo;
} else
@ -166,6 +168,7 @@ static int http_open_cnx(URLContext *h)
ffurl_close(hd);
if (redirects++ >= MAX_REDIRECTS)
return AVERROR(EIO);
attempts = 0;
location_changed = 0;
goto redo;
}
@ -598,7 +601,7 @@ static int http_proxy_open(URLContext *h, const char *uri, int flags)
char hostname[1024], hoststr[1024];
char auth[1024], pathbuf[1024], *path;
char line[1024], lower_url[100];
int port, ret = 0;
int port, ret = 0, attempts = 0;
HTTPAuthType cur_auth_type;
char *authstr;
@ -665,8 +668,10 @@ redo:
break;
s->line_count++;
}
if (s->http_code == 407 && cur_auth_type == HTTP_AUTH_NONE &&
s->proxy_auth_state.auth_type != HTTP_AUTH_NONE) {
attempts++;
if (s->http_code == 407 &&
(cur_auth_type == HTTP_AUTH_NONE || s->proxy_auth_state.stale) &&
s->proxy_auth_state.auth_type != HTTP_AUTH_NONE && attempts < 2) {
ffurl_close(s->hd);
s->hd = NULL;
goto redo;