Progress on upload

[citadel.git] / webcit-ng / server / messages.c

diff --git a/webcit-ng/server/messages.c b/webcit-ng/server/messages.c
index ef244aab059ac08a4bb4e46cc2afa1564aaf1db3..f176156a51d4ccdda7728acf21464348adb80098 100644 (file)
--- a/webcit-ng/server/messages.c
+++ b/webcit-ng/server/messages.c
@@ -204,11 +204,10 @@ void dav_put_message(struct http_transaction *h, struct ctdlsession *c, char *eu
        // If there are attachments, open up a multipart/mixed MIME container.
        char *att = get_url_param(h, "att");
        if (att) {
-               snprintf(mime_boundary, sizeof(mime_boundary), "citadel-multipart-%x-%x", time(NULL), rand());
+               snprintf(mime_boundary, sizeof(mime_boundary), "citadel-multipart-%x-%x", (unsigned int)time(NULL), rand());
                ctdl_printf(c, "MIME-Version: 1.0\r");
                ctdl_printf(c, "Content-Type: multipart/mixed; boundary=\"%s\"\r", mime_boundary);
                ctdl_write(c, HKEY("\r\n"));
-               ctdl_write(c, HKEY("\r\n"));
                ctdl_printf(c, "--%s\r", mime_boundary);        // start of message body
        }
 
@@ -231,7 +230,36 @@ void dav_put_message(struct http_transaction *h, struct ctdlsession *c, char *eu
                for (i=0; i<num_attachments; ++i) {
                        extract_token(attid, att, i, ',', sizeof(attid));
                        one_att = pop_upload(attid);
-                       syslog(LOG_DEBUG, "💥 attachment: %s", one_att.filename);
+
+                       // After calling pop_upload(), the attachment is no longer in the global list.
+                       // The file descriptor has zero links, so when we close it, the filesystem will remove it from disk.
+
+                       syslog(LOG_DEBUG, "💥 attachment: %s , len=%ld", one_att.filename, one_att.length);
+                       ctdl_printf(c, "--%s--\r", mime_boundary);
+                       ctdl_printf(c, "Content-Type: %s; name=\"%s\"\r", one_att.content_type, one_att.filename);
+                       ctdl_printf(c, "Content-Disposition: attachment; filename=\"%s\"\r", one_att.filename);
+                       ctdl_printf(c, "Content-Transfer-Encoding: base64\r");
+                       ctdl_write(c, HKEY("\r\n"));
+
+                       char *raw_att = malloc(one_att.length);
+                       if (raw_att) {
+                               rewind(one_att.fp);
+                               if (fread(raw_att, one_att.length, 1, one_att.fp) != 1) {
+                                       syslog(LOG_ERR, "messages: %m");
+                               }
+
+                               // now encode it
+                               char *encoded_att = malloc((one_att.length * 150) / 100);
+                               if (encoded_att) {
+                                       size_t encoded_length = CtdlEncodeBase64(encoded_att, raw_att, one_att.length, BASE64_YES_LINEBREAKS);
+                                       ctdl_write(c, encoded_att, encoded_length);
+                                       syslog(LOG_DEBUG, "Encoded attachment: len=%ld", encoded_length);
+                                       free(encoded_att);
+                               }
+                               free(raw_att);
+                       }
+
+                       fclose(one_att.fp);
                }
 
                // Close the multipart/mixed MIME container.