* Added ctdlelements.php ... this is to be used for functions which fetch

[citadel.git] / ctdlphp / ctdlprotocol.php

diff --git a/ctdlphp/ctdlprotocol.php b/ctdlphp/ctdlprotocol.php
index b3ebe337998a89de63eaf8adea68cbcfa45d40bc..7770364112ffe252bf9ff5c583a8be43e992a79e 100644 (file)
--- a/ctdlphp/ctdlprotocol.php
+++ b/ctdlphp/ctdlprotocol.php
@@ -335,4 +335,76 @@ function ctdl_msgs($mode, $count) {
 }
 
 
+// Load a message from the server.
+function ctdl_fetch_message($msgnum) {
+       global $clientsocket;
+
+       serv_puts("MSG4 " . $msgnum);
+       $response = serv_gets();
+
+       if (substr($response, 0, 1) != "1") {
+               return array(FALSE, substr($response, 4), NULL);
+       }
+
+       $fields = array();
+       while (strcmp($buf = serv_gets(), "000")) {
+               if (substr($buf, 0, 4) == "text") {
+                       // We're in the text body.  New loop here.
+                       $fields["text"] = ctdl_msg4_from_server();
+                       return array(TRUE, substr($response, 4), $fields);
+               }
+               else {
+                       $fields[substr($buf, 0, 4)] = substr($buf, 5);
+               }
+       }
+
+       // Message terminated prematurely (no text body)
+       return array(FALSE, substr($response, 4), $fields);
+}
+
+// Support function for ctdl_fetch_message().  This handles the text body
+// portion of the message, converting various formats to HTML as
+// appropriate.
+function ctdl_msg4_from_server() {
+
+       $txt = "";
+       $msgformat = "text/plain";
+       $in_body = FALSE;
+
+       $previous_line = "";
+       while (strcmp($buf = serv_gets(), "000")) {
+               if ($in_body == FALSE) {
+                       if (strlen($buf) == 0) {
+                               $in_body = TRUE;
+                       }
+                       else {
+                               if (!strncasecmp($buf, "content-type: ", 14)) {
+                                       $msgformat = substr($buf, 14);
+                               }
+                       }
+               }
+               else {
+                       if (!strcasecmp($msgformat, "text/html")) {
+                               $txt .= $buf;
+                       }
+                       else if (!strcasecmp($msgformat, "text/plain")) {
+                               $txt .= "<TT>" . htmlspecialchars($buf) . "</TT><BR>\n" ;
+                       }
+                       else if (!strcasecmp($msgformat, "text/x-citadel-variformat")) {
+                               if (substr($previous_line, 0, 1) == " ") {
+                                       $txt .= "<BR>\n" ;
+                               }
+                               $txt .= htmlspecialchars($buf);
+                       }
+                       else {
+                               $txt .= htmlspecialchars($buf);
+                       }
+                       $previous_line = $buf;
+               }
+       }
+
+       return($txt);
+}
+
+
 ?>