From dc706977b754f7b5b0e5835ef80a2b59bc1773f8 Mon Sep 17 00:00:00 2001
From: Tim Pierce <twp@curoverse.com>
Date: Tue, 25 Nov 2014 17:52:05 -0500
Subject: [PATCH] 4621: implement lean_uri_escape

lean_uri_escape implements URI escaping as in URI::Escape, but with
substantially less RAM (at the cost of less error checking).

Also fixes a bug in crunch-job's strftime call.
---
 sdk/cli/bin/crunch-job          |  2 +-
 sdk/perl/lib/Arvados/Request.pm | 12 ++++++++++--
 2 files changed, 11 insertions(+), 3 deletions(-)

diff --git a/sdk/cli/bin/crunch-job b/sdk/cli/bin/crunch-job
index 0d35d53f9d..0265a4862f 100755
--- a/sdk/cli/bin/crunch-job
+++ b/sdk/cli/bin/crunch-job
@@ -1702,7 +1702,7 @@ sub api_call {
     if ($next_try_at < time) {
       $retry_msg = "Retrying.";
     } else {
-      my $next_try_fmt = strftime("%Y-%m-%d %H:%M:%S", $next_try_at);
+      my $next_try_fmt = strftime("%Y-%m-%d %H:%M:%S", localtime($next_try_at));
       $retry_msg = "Retrying at $next_try_fmt.";
     }
     Log(undef, "API method $method_name failed: $errmsg. $retry_msg");
diff --git a/sdk/perl/lib/Arvados/Request.pm b/sdk/perl/lib/Arvados/Request.pm
index 07ca763d2b..f2a9b63631 100644
--- a/sdk/perl/lib/Arvados/Request.pm
+++ b/sdk/perl/lib/Arvados/Request.pm
@@ -49,9 +49,9 @@ sub process_request
     my $content;
     while (($p, $v) = each %content) {
         $content .= '&' unless $content eq '';
-        $content .= uri_escape($p);
+        $content .= lean_uri_escape($p);
         $content .= '=';
-        $content .= uri_escape($v);
+        $content .= lean_uri_escape($v);
     }
     $self->{'req'}->content_type("application/x-www-form-urlencoded; charset='utf8'");
     $self->{'req'}->content(Encode::encode('utf8', $content));
@@ -94,4 +94,12 @@ sub get_headers
     ""
 }
 
+# lean_uri_escape consumes about half as much memory
+# as URI::Escape::uri_escape.
+sub lean_uri_escape {
+    my ($text) = @_;
+    $text =~ s/([^A-Za-z0-9\-\._~])/$URI::Escape::escapes{$&}/ge;
+    return $text;
+}
+
 1;
-- 
2.30.2