Increase white-space tolerance when importing avatars from msgbase

TARDIS (Quarkware BBS, the Ruby BBS), uses just \n for QWK message
line deliniation, but we were expected \r\n terminated lines here.
Also, apparently there was trailing white-space on the "json-end"
line, so handle that case too.

exec/avatars.js

@@ -31,18 +31,19 @@ function parse_user_msg(text)
     var json_end;
 
 	// Terminate at tear-line
-    text=text.split("\r\n");
+    text=text.split("\n");
     for(i=0; i<text.length; i++) {
-        if(text[i]=="---" || text[i].substring(0,4)=="--- ")
+        if(text[i].trimRight()=="---" || text[i].substring(0,4)=="--- ")
             break;
     }
     text.length=i;
 
 	// Parse JSON block
     for(i=0; i<text.length; i++) {
-        if(text[i].toLowerCase()=="json-begin")
+		print(i + ": " + text[i]);
+        if(text[i].trimRight().toLowerCase()=="json-begin")
             json_begin=i+1;
-        else if(text[i].toLowerCase()=="json-end")
+        else if(text[i].trimRight().toLowerCase()=="json-end")
             json_end=i;
     }
     if(json_begin && json_end > json_begin) {
@@ -55,6 +56,8 @@ function parse_user_msg(text)
         }
         return false;
     }
+	alert("invalid or missing JSON block, length: " + text.length
+		+ ", begin: " + json_begin + ", end: " + json_end);
 	return false;
 }
 
@@ -65,24 +68,26 @@ function parse_file_msg(text)
     var bin_end;
 
 	// Terminate at tear-line
-    text=text.split("\r\n");
+    text=text.split("\n");
     for(i=0; i<text.length; i++) {
-        if(text[i]=="---" || text[i].substring(0,4)=="--- ")
+        if(text[i].trimRight()=="---" || text[i].substring(0,4)=="--- ")
             break;
     }
     text.length=i;
 
 	// Parse JSON block
     for(i=0; i<text.length; i++) {
-        if(text[i].toLowerCase()=="bin-lz-begin")
+        if(text[i].trimRight().toLowerCase()=="bin-lz-begin")
             bin_begin=i+1;
-        else if(text[i].toLowerCase()=="bin-lz-end")
+        else if(text[i].trimRight().toLowerCase()=="bin-lz-end")
             bin_end=i;
     }
     if(bin_begin && bin_end > bin_begin) {
         text = text.splice(bin_begin, bin_end-bin_begin);
 		return LZString.decompressFromBase64(text.join('').replace(/\s+/g, ''));
     }
+	alert("invalid or missing bin-lz block, length: " + text.length
+		+ ", begin: " + bin_begin + ", end: " + bin_end);
 	return false;
 }
 
@@ -278,9 +283,8 @@ function import_from_msgbase(msgbase, import_ptr, limit, all)
 		if(hdr.to.toLowerCase() == user_avatars.toLowerCase()) {
 			var l;
 			var avatars = parse_user_msg(body);
-			if(!avatars)
-				continue;
-			success = import_netuser_list(hdr, decompress_list(avatars));
+			if(avatars)
+				success = import_netuser_list(hdr, decompress_list(avatars));
 		} else {
 			// Shared avatars
 			success = import_shared_file(hdr, body);