Bug#737121: ikiwiki: [PATCH] Implement configuration option to set the user agent string for outbound HTTP requests

[Tuomas Jormola]

Package: ikiwiki
Version: 3.20140125
Severity: wishlist

By default, LWP::UserAgent used by IkiWiki to perform outbound HTTP
requests sends the string "libwww-perl/<version number>" as User-Agent
header in HTTP requests. Some blogging platforms have blacklisted the
user agent and won't serve any content for clients using this user agent
string. With IkiWiki configuration option "useragent" it's now possible
to define a custom string that is used for the value of the User-Agent
header.
---
 IkiWiki.pm               |    9 +++++++++
 IkiWiki/Plugin/openid.pm |    2 +-
 IkiWiki/Plugin/pinger.pm |    2 +-
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/IkiWiki.pm b/IkiWiki.pm
index b7080bb..eb48096 100644
--- a/IkiWiki.pm
+++ b/IkiWiki.pm
@@ -527,6 +527,14 @@ sub getsetup () {
                safe => 0, # hooks into perl module internals
                rebuild => 0,
        },
+       useragent => {
+               type => "string",
+               default => undef,
+               example => "Wget/1.13.4 (linux-gnu)",
+               description => "set custom user agent string for outbound HTTP 
requests e.g. when fetching aggregated RSS feeds",
+               safe => 0,
+               rebuild => 0,
+       },
 }
 
 sub defaultconfig () {
@@ -2301,6 +2309,7 @@ sub useragent () {
        return LWP::UserAgent->new(
                cookie_jar => $config{cookiejar},
                env_proxy => 1,         # respect proxy env vars
+               agent => $config{useragent},
        );
 }
 
diff --git a/IkiWiki/Plugin/openid.pm b/IkiWiki/Plugin/openid.pm
index d369e30..3b96e4b 100644
--- a/IkiWiki/Plugin/openid.pm
+++ b/IkiWiki/Plugin/openid.pm
@@ -238,7 +238,7 @@ sub getobj ($$) {
        my $ua;
        eval q{use LWPx::ParanoidAgent};
        if (! $@) {
-               $ua=LWPx::ParanoidAgent->new;
+               $ua=LWPx::ParanoidAgent->new(agent => $config{useragent});
        }
        else {
                $ua=useragent();
diff --git a/IkiWiki/Plugin/pinger.pm b/IkiWiki/Plugin/pinger.pm
index fb0f3ba..b2d54af 100644
--- a/IkiWiki/Plugin/pinger.pm
+++ b/IkiWiki/Plugin/pinger.pm
@@ -72,7 +72,7 @@ sub ping {
                my $ua;
                eval q{use LWPx::ParanoidAgent};
                if (!$@) {
-                       $ua=LWPx::ParanoidAgent->new;
+                       $ua=LWPx::ParanoidAgent->new(agent => 
$config{useragent});
                }
                else {
                        eval q{use LWP};
-- 
1.7.9.5


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