+++ /dev/null
-/*
- * Handles GroupDAV GET 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"
-
-
-/*
- * Fetch the entire contents of the room as one big ics file.
- * This is for "webcal://" type access.
- */
-void dav_get_big_ics(void) {
- char buf[1024];
-
- serv_puts("ICAL getics");
- serv_getln(buf, sizeof buf);
- if (buf[0] != '1') {
- hprintf("HTTP/1.1 404 not found\r\n");
- dav_common_headers();
- hprintf("Content-Type: text/plain\r\n");
- begin_burst();
- wc_printf("%s\r\n",
- &buf[4]
- );
- end_burst();
- return;
- }
-
- hprintf("HTTP/1.1 200 OK\r\n");
- dav_common_headers();
- hprintf("Content-type: text/calendar; charset=UTF-8\r\n");
- begin_burst();
- while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
- wc_printf("%s\r\n", buf);
- }
- end_burst();
-}
-
-
-/*
- * MIME parser callback function for dav_get()
- * Helps identify the relevant section of a multipart message
- */
-void extract_preferred(char *name, char *filename, char *partnum, char *disp,
- void *content, char *cbtype, char *cbcharset,
- size_t length, char *encoding, char *cbid, void *userdata)
-{
- struct epdata *epdata = (struct epdata *)userdata;
- int hit = 0;
-
- /* We only want the first one that we found */
- if (!IsEmptyStr(epdata->found_section)) return;
-
- /* Check for a content type match */
- if (strlen(epdata->desired_content_type_1) > 0) {
- if (!strcasecmp(epdata->desired_content_type_1, cbtype)) {
- hit = 1;
- }
- }
- if (!IsEmptyStr(epdata->desired_content_type_2)) {
- if (!strcasecmp(epdata->desired_content_type_2, cbtype)) {
- hit = 1;
- }
- }
-
- /* Is this the one? If so, output it. */
- if (hit) {
- safestrncpy(epdata->found_section, partnum, sizeof epdata->found_section);
- if (!IsEmptyStr(cbcharset)) {
- safestrncpy(epdata->charset, cbcharset, sizeof epdata->charset);
- }
- hprintf("Content-type: %s; charset=%s\r\n", cbtype, epdata->charset);
- begin_burst();
- StrBufAppendBufPlain(WC->WBuf, content, length, 0);
- end_burst();
- }
-}
-
-
-
-/*
- * The pathname is always going to take one of two formats:
- * /groupdav/room_name/euid (GroupDAV)
- * /groupdav/room_name (webcal)
- */
-void dav_get(void)
-{
- wcsession *WCC = WC;
- StrBuf *dav_roomname;
- StrBuf *dav_uid;
- long dav_msgnum = (-1);
- char buf[1024];
- int in_body = 0;
- char *ptr;
- char *endptr;
- char *msgtext = NULL;
- size_t msglen = 0;
- size_t msgalloc = 0;
- int linelen;
- char content_type[128];
- char charset[128];
- char date[128];
- struct epdata epdata;
-
- 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");
- 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(WCC->CurRoom.name), ChrPtr(dav_roomname))) {
- gotoroom(dav_roomname);
- }
- if (strcasecmp(ChrPtr(WCC->CurRoom.name), ChrPtr(dav_roomname))) {
- hprintf("HTTP/1.1 404 not found\r\n");
- dav_common_headers();
- hprintf("Content-Type: text/plain\r\n");
- 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;
- }
-
- /** GET on the collection itself returns an ICS of the entire collection.
- */
- if (StrLength(dav_uid) == 0) {
- dav_get_big_ics();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
- }
-
- dav_msgnum = locate_message_by_uid(ChrPtr(dav_uid));
- serv_printf("MSG2 %ld", dav_msgnum);
- serv_getln(buf, sizeof buf);
- if (buf[0] != '1') {
- hprintf("HTTP/1.1 404 not found\r\n");
- dav_common_headers();
- hprintf("Content-Type: text/plain\r\n");
- wc_printf("Object \"%s\" was not found in the \"%s\" folder.\r\n",
- ChrPtr(dav_uid),
- ChrPtr(dav_roomname));
- end_burst();
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
- return;
- }
- FreeStrBuf(&dav_roomname);
- FreeStrBuf(&dav_uid);
-
- /* We got it; a message is now arriving from the server. Read it in. */
-
- in_body = 0;
- strcpy(charset, "UTF-8");
- strcpy(content_type, "text/plain");
- strcpy(date, "");
- while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
- linelen = strlen(buf);
-
- /* Append it to the buffer */
- if ((msglen + linelen + 3) > msgalloc) {
- msgalloc = ( (msgalloc > 0) ? (msgalloc * 2) : 1024 );
- msgtext = realloc(msgtext, msgalloc);
- }
- strcpy(&msgtext[msglen], buf);
- msglen += linelen;
- strcpy(&msgtext[msglen], "\n");
- msglen += 1;
-
- /* Also learn some things about the message */
- if (linelen == 0) {
- in_body = 1;
- }
- if (!in_body) {
- if (!strncasecmp(buf, "Date:", 5)) {
- safestrncpy(date, &buf[5], sizeof date);
- string_trim(date);
- }
- if (!strncasecmp(buf, "Content-type:", 13)) {
- safestrncpy(content_type, &buf[13], sizeof content_type);
- string_trim(content_type);
- ptr = bmstrcasestr(&buf[13], "charset=");
- if (ptr) {
- safestrncpy(charset, ptr+8, sizeof charset);
- string_trim(charset);
- endptr = strchr(charset, ';');
- if (endptr != NULL) strcpy(endptr, "");
- }
- endptr = strchr(content_type, ';');
- if (endptr != NULL) strcpy(endptr, "");
- }
- }
- }
- msgtext[msglen] = 0;
-
- /* Output headers common to single or multi part messages */
-
- hprintf("HTTP/1.1 200 OK\r\n");
- dav_common_headers();
- hprintf("etag: \"%ld\"\r\n", dav_msgnum);
- hprintf("Date: %s\r\n", date);
-
- memset(&epdata, 0, sizeof(struct epdata));
- safestrncpy(epdata.charset, charset, sizeof epdata.charset);
-
- /* If we have a multipart message on our hands, and we are in a groupware room,
- * strip it down to only the relevant part.
- */
- if (!strncasecmp(content_type, "multipart/", 10)) {
-
- if ( (WCC->CurRoom.defview == VIEW_CALENDAR) || (WCC->CurRoom.defview == VIEW_TASKS) ) {
- strcpy(epdata.desired_content_type_1, "text/calendar");
- }
-
- else if (WCC->CurRoom.defview == VIEW_ADDRESSBOOK) {
- strcpy(epdata.desired_content_type_1, "text/vcard");
- strcpy(epdata.desired_content_type_2, "text/x-vcard");
- }
-
- mime_parser(msgtext, &msgtext[msglen], extract_preferred, NULL, NULL, (void *)&epdata, 0);
- }
-
- /* If epdata.found_section is empty, we haven't output anything yet, so output the whole thing */
-
- if (IsEmptyStr(epdata.found_section)) {
- ptr = msgtext;
- endptr = &msgtext[msglen];
-
- hprintf("Content-type: %s; charset=%s\r\n", content_type, charset);
-
- in_body = 0;
- do {
- ptr = memreadline(ptr, buf, sizeof buf);
-
- if (in_body) {
- wc_printf("%s\r\n", buf);
- }
- else if ((buf[0] == 0) && (in_body == 0)) {
- in_body = 1;
- begin_burst();
- }
- } while (ptr < endptr);
-
- end_burst();
- }
-
- free(msgtext);
-}
projects / citadel.git / blobdiff