From 0a9e0d27eea614b7da0ce02bf1a55105f83ac1cd Mon Sep 17 00:00:00 2001
From: deuce <>
Date: Tue, 10 Feb 2009 23:34:13 +0000
Subject: [PATCH] Make the RFC822 header object fancy, add a function to parse
content transfer encodings.
---
exec/load/newsutil.js | 54 +++++++++++++++++++++++++++++++++++++++----
1 file changed, 49 insertions(+), 5 deletions(-)
diff --git a/exec/load/newsutil.js b/exec/load/newsutil.js
index 9227001881..b5b5ee5a49 100644
--- a/exec/load/newsutil.js
+++ b/exec/load/newsutil.js
@@ -165,12 +165,56 @@ function parse_news_header(hdr, line)
default:
if(hdr.field_list==undefined)
hdr.field_list=new Array();
- hdr.field_list.push(
+ hdr[line.toLowerCase()]=
{ type: RFC822HEADER,
- data: line + ": " + data
- }
- );
- hdr[line.toLowerCase()]=data;
+ data getter: function() { return(this.hdr_name+': '+this.hdr_data); },
+ data setter: function(v) {
+ var m=v.split(/:\s*/,2);
+ if(m.length==1)
+ this.hdr_data=v;
+ else {
+ this.hdr_name=m[0];
+ this.hdr_data=m[1];
+ }
+ },
+ hdr_name: line,
+ hdr_data: data,
+ toString: function() { return this.hdr_data; };
+ };
+ hdr.field_list.push(hdr[line.toLowerCase()]);
break;
}
}
+
+/*
+ * Returns TRUE if hdr and/or body are modified
+ */
+function parse_transfer_encoding(hdr, body)
+{
+ if(hdr["content-transfer-encoding"]===undefined)
+ return(false);
+ switch(hdr["content-transfer-encoding"].toLowerCase()) {
+ case '7bit':
+ case '8bit':
+ case 'binary':
+ return(false);
+ case 'quoted-printable':
+ /* Remove trailing whitespace from lines */
+ body=body.replace(/\s+\x0d\x0a/g,'\x0d\x0a');
+
+ /* Remove "soft" line breaks */
+ body=body.replace(/=\x0d\x0a/g,'');
+
+ /* Collapse =XX encoded bytes */
+ body=body.replace(/=([0-9A-F])/g,function(str, p1) { return(ascii(parseInt(p1,16))); });
+ hdr["content-transfer-encoding"].hdr_data='8bit';
+ return(true);
+ case 'base64':
+ /* Remove non-base64 bytes */
+ body=body.replace(/[^ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=]/g,'');
+ body=b64_decode(body);
+ hdr["content-transfer-encoding"].hdr_data='8bit';
+ return(true);
+ }
+ return(false);
+}
--
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