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[PATCH 5/9] http: provide effective url to callers

From
Jeff King <peff@peff.net>
Date
Sep 28, 2013, 08:32 UTC
Message-ID
<20130928083202.GE2131@sigill.intra.peff.net>
In-Reply-To
<20130928082956.GA22610@sigill.intra.peff.net>

When we ask curl to access a URL, it may follow one or more redirects to reach the final location. We have no idea this has happened, as curl takes care of the details and simply returns the final content to us.

The final URL that we ended up with can be accessed via CURLINFO_EFFECTIVE_URL. Let's make that optionally available to callers of http_get_*, so that they can make further decisions based on the redirection.

Signed-off-by: Jeff King <peff@peff.net>
---
 http.c | 4 ++++
 http.h | 6 ++++++
 2 files changed, 10 insertions(+)
diff --git a/http.c b/http.c
index 5504b2c..65a0048 100644
--- a/http.c
+++ b/http.c
@@ -911,6 +911,10 @@ static int http_request(const char *url,
 		curlinfo_strbuf(slot->curl, CURLINFO_CONTENT_TYPE,
 				options->content_type);
 
+	if (options && options->effective_url)
+		curlinfo_strbuf(slot->curl, CURLINFO_EFFECTIVE_URL,
+				options->effective_url);
+
 	curl_slist_free_all(headers);
 	strbuf_release(&buf);
 
diff --git a/http.h b/http.h
index 17116ab..974ede7 100644
--- a/http.h
+++ b/http.h
@@ -133,6 +133,12 @@ struct http_get_options {
 
 	/* If non-NULL, returns the content-type of the response. */
 	struct strbuf *content_type;
+
+	/*
+	 * If non-NULL, returns the URL we ended up at, including any
+	 * redirects we followed.
+	 */
+	struct strbuf *effective_url;
 };
 
 /* Return values for http_get_*() */
-- 
1.8.4.rc3.19.g9da5bf6
Previous: Jeff KingNext: Jeff King
Message 6 of 17 in “following http redirects”
  1. 0/9 following http redirectsJeff King, Sep 28, 2013
  2. 1/9 http_get_file: style fixesJeff King, Sep 28, 2013
  3. 2/9 http_request: factor out curlinfo_strbufJeff King, Sep 28, 2013
  4. 3/9 http: refactor options to http_get_*Jeff King, Sep 28, 2013
  5. 4/9 http: hoist credential request out of handle_curl_resultJeff King, Sep 28, 2013
  6. 5/9 http: provide effective url to callersJeff King, Sep 28, 2013
  7. 6/9 http: update base URLs when we see redirectsJeff King, Sep 28, 2013
  8. brian m. carlsonSep 29, 2013
  9. Eric SunshineSep 29, 2013
  10. Jeff KingSep 29, 2013
  11. Eric SunshineSep 29, 2013
  12. Junio C HamanoOct 18, 2013
  13. Jeff KingOct 18, 2013
  14. Junio C HamanoOct 18, 2013
  15. 7/9 remote-curl: make refs_url a strbufJeff King, Sep 28, 2013
  16. 8/9 remote-curl: store url as a strbufJeff King, Sep 28, 2013
  17. 9/9 remote-curl: rewrite base url from info/refs redirectsJeff King, Sep 28, 2013

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