+++ /dev/null
-/*
- * Handles GroupDAV PUT requests.
- *
- * Copyright (c) 2005-2012 by the citadel.org team
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 3.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-
-#include "webcit.h"
-#include "webserver.h"
-#include "dav.h"
-
-
-/*
- * This function is for uploading an ENTIRE calendar, not just one
- * component. This would be for webcal:// 'publish' operations, not
- * for GroupDAV.
- */
-void dav_put_bigics(void)
-{
- wcsession *WCC = WC;
- char buf[1024];
-
- /*
- * Tell the server that when we save a calendar event, we
- * do *not* want the server to generate invitations.
- */
- serv_puts("ICAL sgi|0");
- serv_getln(buf, sizeof buf);
-
- serv_puts("ICAL putics");
- serv_getln(buf, sizeof buf);
- if (buf[0] != '4') {
- hprintf("HTTP/1.1 502 Bad Gateway\r\n");
- dav_common_headers();
- hprintf("Content-type: text/plain\r\n");
- begin_burst();
- wc_printf("%s\r\n", &buf[4]);
- end_burst();
- return;
- }
-
- serv_putbuf(WCC->upload);
- serv_printf("\n000");
-
- /* Report success and not much else. */
- hprintf("HTTP/1.1 204 No Content\r\n");
- syslog(LOG_DEBUG, "HTTP/1.1 204 No Content\r\n");
- dav_common_headers();
- begin_burst();
- end_burst();
-}
-
-
-
-/*
- * The pathname is always going to take one of two formats:
- * [/groupdav/]room_name/euid (GroupDAV)
- * [/groupdav/]room_name (webcal)
- */
-void dav_put(void)
-{
- wcsession *WCC = WC;
- StrBuf *dav_roomname;
- StrBuf *dav_uid;
- long new_msgnum = (-2L);
- long old_msgnum = (-1L);
- char buf[SIZ];
- int n = 0;
-
- if (StrBufNum_tokens(WCC->Hdr->HR.ReqLine, '/') < 2) {
- hprintf("HTTP/1.1 404 not found\r\n");
- dav_common_headers();
- hprintf("Content-Type: text/plain\r\n");
- begin_burst();
- wc_printf("The object you requested was not found.\r\n");
- end_burst();
- return;
- }
-
- dav_roomname = NewStrBuf();;
- dav_uid = NewStrBuf();;
- StrBufExtract_token(dav_roomname, WCC->Hdr->HR.ReqLine, 0, '/');
- StrBufExtract_token(dav_uid, WCC->Hdr->HR.ReqLine, 1, '/');
- if ((!strcasecmp(ChrPtr(dav_uid), "ics")) ||
- (!strcasecmp(ChrPtr(dav_uid), "calendar.ics"))) {
- FlushStrBuf(dav_uid);
- }
-
- /* Go to the correct room. */
- if (strcasecmp(ChrPtr(WC->CurRoom.name), ChrPtr(dav_roomname))) {
- gotoroom(dav_roomname);
- }
- if (strcasecmp(ChrPtr(WC->CurRoom.name), ChrPtr(dav_roomname))) {
- hprintf("HTTP/1.1 404 not found\r\n");
- dav_common_headers();
- hprintf("Content-Type: text/plain\r\n");
- begin_burst();
- wc_printf("There is no folder called \"%s\" on this server.\r\n",
- ChrPtr(dav_roomname));
- end_burst();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
- }
-
- /*
- * If an HTTP If-Match: header is present, the client is attempting
- * to replace an existing item. We have to check to see if the
- * message number associated with the supplied uid matches what the
- * client is expecting. If not, the server probably contains a newer
- * version, so we fail...
- */
- if (StrLength(WCC->Hdr->HR.dav_ifmatch) > 0) {
- syslog(LOG_DEBUG, "dav_ifmatch: %s\n", ChrPtr(WCC->Hdr->HR.dav_ifmatch));
- old_msgnum = locate_message_by_uid(ChrPtr(dav_uid));
- syslog(LOG_DEBUG, "old_msgnum: %ld\n", old_msgnum);
- if (StrTol(WCC->Hdr->HR.dav_ifmatch) != old_msgnum) {
- hprintf("HTTP/1.1 412 Precondition Failed\r\n");
- syslog(LOG_INFO, "HTTP/1.1 412 Precondition Failed (ifmatch=%ld, old_msgnum=%ld)\r\n",
- StrTol(WCC->Hdr->HR.dav_ifmatch), old_msgnum);
- dav_common_headers();
-
- end_burst();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
- }
- }
-
- /** PUT on the collection itself uploads an ICS of the entire collection.
- */
- if (StrLength(dav_uid) == 0) {
- dav_put_bigics();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
- }
-
- /*
- * We are cleared for upload! We use the new calling syntax for ENT0
- * which allows a confirmation to be sent back to us. That's how we
- * extract the message ID.
- */
- serv_puts("ENT0 1|||4|||1|");
- serv_getln(buf, sizeof buf);
- if (buf[0] != '8') {
- hprintf("HTTP/1.1 502 Bad Gateway\r\n");
- dav_common_headers();
- hprintf("Content-type: text/plain\r\n");
- begin_burst();
- wc_printf("%s\r\n", &buf[4]);
- end_burst();
- return;
- }
-
- /* Send the content to the Citadel server */
- //serv_printf("Content-type: %s\n\n", WCC->upload_content_type);
- serv_putbuf(WCC->upload);
- serv_puts("\n000");
-
- /* Fetch the reply from the Citadel server */
- n = 0;
- FlushStrBuf(dav_uid);
- while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
- switch(n++) {
- case 0:
- new_msgnum = atol(buf);
- break;
- case 1:
- syslog(LOG_DEBUG, "new_msgnum=%ld (%s)\n", new_msgnum, buf);
- break;
- case 2:
- StrBufAppendBufPlain(dav_uid, buf, -1, 0);
- break;
- default:
- break;
- }
- }
-
- /* Tell the client what happened. */
-
- /* Citadel failed in some way? */
- if (new_msgnum < 0L) {
- hprintf("HTTP/1.1 502 Bad Gateway\r\n");
- dav_common_headers();
- hprintf("Content-type: text/plain\r\n");
- begin_burst();
- wc_printf("new_msgnum is %ld\r\n"
- "\r\n", new_msgnum);
- end_burst();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
- }
-
- /* We created this item for the first time. */
- if (old_msgnum < 0L) {
- char escaped_uid[1024];
- hprintf("HTTP/1.1 201 Created\r\n");
- syslog(LOG_DEBUG, "HTTP/1.1 201 Created\r\n");
- dav_common_headers();
- hprintf("etag: \"%ld\"\r\n", new_msgnum);
- hprintf("Location: ");
- dav_identify_hosthdr();
- hprintf("/groupdav/");/* TODO */
- hurlescputs(ChrPtr(dav_roomname));
- euid_escapize(escaped_uid, ChrPtr(dav_uid));
- hprintf("/%s\r\n", escaped_uid);
- end_burst();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
- }
-
- /* We modified an existing item. */
- hprintf("HTTP/1.1 204 No Content\r\n");
- syslog(LOG_DEBUG, "HTTP/1.1 204 No Content\r\n");
- dav_common_headers();
- hprintf("Etag: \"%ld\"\r\n", new_msgnum);
- /* The item we replaced has probably already been deleted by
- * the Citadel server, but we'll do this anyway, just in case.
- */
- serv_printf("DELE %ld", old_msgnum);
- serv_getln(buf, sizeof buf);
- begin_burst();
- end_burst();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
-}
projects / citadel.git / blobdiff