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http: factor out http error code handling

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Most of our http requests go through the http_request()
interface, which does some nice post-processing on the
results. In particular, it handles prompting for missing
credentials as well as approving and rejecting valid or
invalid credentials. Unfortunately, it only handles GET
requests. Making it handle POSTs would be quite complex, so
let's pull result handling code into its own function so
that it can be reused from the POST code paths.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2012-08-27 09:26:04 -04:00 committed by Junio C Hamano
parent 4c71009da6
commit 8809703072
2 changed files with 29 additions and 23 deletions
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51
http.c
View File

@ -744,6 +744,33 @@ char *get_remote_object_url(const char *url, const char *hex,
return strbuf_detach(&buf, NULL);
}
int handle_curl_result(struct active_request_slot *slot)
{
struct slot_results *results = slot->results;
if (results->curl_result == CURLE_OK) {
credential_approve(&http_auth);
return HTTP_OK;
} else if (missing_target(results))
return HTTP_MISSING_TARGET;
else if (results->http_code == 401) {
if (http_auth.username && http_auth.password) {
credential_reject(&http_auth);
return HTTP_NOAUTH;
} else {
credential_fill(&http_auth);
init_curl_http_auth(slot->curl);
return HTTP_REAUTH;
}
} else {
if (!curl_errorstr[0])
strlcpy(curl_errorstr,
curl_easy_strerror(results->curl_result),
sizeof(curl_errorstr));
return HTTP_ERROR;
}
}
/* http_request() targets */
#define HTTP_REQUEST_STRBUF 0
#define HTTP_REQUEST_FILE 1
@ -791,26 +818,7 @@ static int http_request(const char *url, void *result, int target, int options)
if (start_active_slot(slot)) {
run_active_slot(slot);
if (results.curl_result == CURLE_OK)
ret = HTTP_OK;
else if (missing_target(&results))
ret = HTTP_MISSING_TARGET;
else if (results.http_code == 401) {
if (http_auth.username && http_auth.password) {
credential_reject(&http_auth);
ret = HTTP_NOAUTH;
} else {
credential_fill(&http_auth);
init_curl_http_auth(slot->curl);
ret = HTTP_REAUTH;
}
} else {
if (!curl_errorstr[0])
strlcpy(curl_errorstr,
curl_easy_strerror(results.curl_result),
sizeof(curl_errorstr));
ret = HTTP_ERROR;
}
ret = handle_curl_result(slot);
} else {
error("Unable to start HTTP request for %s", url);
ret = HTTP_START_FAILED;
@ -819,9 +827,6 @@ static int http_request(const char *url, void *result, int target, int options)
curl_slist_free_all(headers);
strbuf_release(&buf);
if (ret == HTTP_OK)
credential_approve(&http_auth);
return ret;
}

1
http.h
View File

@ -78,6 +78,7 @@ extern int start_active_slot(struct active_request_slot *slot);
extern void run_active_slot(struct active_request_slot *slot);
extern void finish_active_slot(struct active_request_slot *slot);
extern void finish_all_active_slots(void);
extern int handle_curl_result(struct active_request_slot *slot);
#ifdef USE_CURL_MULTI
extern void fill_active_slots(void);