/*
* $Id$
- */
-/**
- * \defgroup GroupdavPropfind Handles GroupDAV PROPFIND requests.
+ *
+ * Handles GroupDAV PROPFIND requests.
*
* A few notes about our XML output:
*
* --> Yes, we are spewing tags directly instead of using an XML library.
- * If you would like to rewrite this using libxml2, code it up and submit
- * a patch. Whining will be summarily ignored.
+ * Whining about it will be summarily ignored.
*
* --> XML is deliberately output with no whitespace/newlines between tags.
* This makes it difficult to read, but we have discovered clients which
* crash when you try to pretty it up.
*
- * \ingroup WebcitHttpServerGDav
*/
#include "webcit.h"
#include "webserver.h"
#include "groupdav.h"
-
-/**
- * \brief get all messages of this user
+/*
* Given an encoded UID, translate that to an unencoded Citadel EUID and
* then search for it in the current room. Return a message number or -1
* if not found.
*
- * NOTE: this function relies on the Citadel server's brute-force search.
- * There's got to be a way to optimize this better.
- * \param uid the user to get the data for...
*/
-long locate_message_by_uid(char *uid) {
- char buf[SIZ];
- char decoded_uid[SIZ];
+long locate_message_by_uid(const char *uid) {
+ char buf[256];
+ char decoded_uid[1024];
long retval = (-1L);
- /* Decode the uid */
+ /* decode the UID */
euid_unescapize(decoded_uid, uid);
+ /* ask Citadel if we have this one */
serv_printf("EUID %s", decoded_uid);
serv_getln(buf, sizeof buf);
if (buf[0] == '2') {
- retval = extract_long(&buf[4], 0);
+ retval = atol(&buf[4]);
}
+
return(retval);
}
-/**
- * \brief List folders containing interesting groupware objects
+
+/*
+ * List rooms (or "collections" in DAV terminology) which contain
+ * interesting groupware objects.
*/
-void groupdav_folder_list(void) {
- char buf[SIZ];
- char roomname[SIZ];
+void groupdav_collection_list(void)
+{
+ wcsession *WCC = WC;
+ char buf[256];
+ char roomname[256];
int view;
- char datestring[SIZ];
+ char datestring[256];
time_t now;
+ time_t mtime;
+ int is_groupware_collection = 0;
+ int starting_point = 1; /**< 0 for /, 1 for /groupdav/ */
+
+ if (WCC->Hdr->HR.Handler == NULL) {
+ starting_point = 0;
+ }
+ else if (StrLength(WCC->Hdr->HR.ReqLine) == 0) {
+ starting_point = 1;
+ }
+ else {
+ starting_point = 2;
+ }
now = time(NULL);
http_datestring(datestring, sizeof datestring, now);
- /**
+ /*
* Be rude. Completely ignore the XML request and simply send them
* everything we know about. Let the client sort it out.
*/
- wprintf("HTTP/1.1 207 Multi-Status\r\n");
+ hprintf("HTTP/1.0 207 Multi-Status\r\n");
groupdav_common_headers();
- wprintf("Date: %s\r\n", datestring);
- wprintf("Content-type: text/xml\r\n");
- wprintf("Content-encoding: identity\r\n");
+ hprintf("Date: %s\r\n", datestring);
+ hprintf("Content-type: text/xml\r\n");
+ hprintf("Content-encoding: identity\r\n");
begin_burst();
- wprintf("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
- "<D:multistatus xmlns:D=\"DAV:\" xmlns:G=\"http://groupdav.org/\">"
+ wc_printf("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+ "<multistatus xmlns=\"DAV:\" xmlns:G=\"http://groupdav.org/\">"
);
+ /*
+ * If the client is requesting the root, show a root node.
+ */
+ if (starting_point == 0) {
+ wc_printf("<response>");
+ wc_printf("<href>");
+ groupdav_identify_host();
+ wc_printf("/");
+ wc_printf("</href>");
+ wc_printf("<propstat>");
+ wc_printf("<status>HTTP/1.1 200 OK</status>");
+ wc_printf("<prop>");
+ wc_printf("<displayname>/</displayname>");
+ wc_printf("<resourcetype><collection/></resourcetype>");
+ wc_printf("<getlastmodified>");
+ escputs(datestring);
+ wc_printf("</getlastmodified>");
+ wc_printf("</prop>");
+ wc_printf("</propstat>");
+ wc_printf("</response>");
+ }
+
+ /*
+ * If the client is requesting "/groupdav", show a /groupdav subdirectory.
+ */
+ if ((starting_point + WCC->Hdr->HR.dav_depth) >= 1) {
+ wc_printf("<response>");
+ wc_printf("<href>");
+ groupdav_identify_host();
+ wc_printf("/groupdav");
+ wc_printf("</href>");
+ wc_printf("<propstat>");
+ wc_printf("<status>HTTP/1.1 200 OK</status>");
+ wc_printf("<prop>");
+ wc_printf("<displayname>GroupDAV</displayname>");
+ wc_printf("<resourcetype><collection/></resourcetype>");
+ wc_printf("<getlastmodified>");
+ escputs(datestring);
+ wc_printf("</getlastmodified>");
+ wc_printf("</prop>");
+ wc_printf("</propstat>");
+ wc_printf("</response>");
+ }
+
+ /*
+ * Now go through the list and make it look like a DAV collection
+ */
serv_puts("LKRA");
serv_getln(buf, sizeof buf);
if (buf[0] == '1') while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
extract_token(roomname, buf, 0, '|', sizeof roomname);
- view = extract_int(buf, 6);
+ view = extract_int(buf, 7);
+ mtime = extract_long(buf, 8);
+ http_datestring(datestring, sizeof datestring, mtime);
- /**
+ /*
* For now, only list rooms that we know a GroupDAV client
* might be interested in. In the future we may add
* the rest.
+ *
+ * We determine the type of objects which are stored in each
+ * room by looking at the *default* view for the room. This
+ * allows, for example, a Calendar room to appear as a
+ * GroupDAV calendar even if the user has switched it to a
+ * Calendar List view.
*/
- if ((view == VIEW_CALENDAR)
- || (view == VIEW_TASKS)
- || (view == VIEW_ADDRESSBOOK) ) {
+ if ( (view == VIEW_CALENDAR) ||
+ (view == VIEW_TASKS) ||
+ (view == VIEW_ADDRESSBOOK) ||
+ (view == VIEW_NOTES) ||
+ (view == VIEW_JOURNAL) ||
+ (view == VIEW_WIKI)
+ ) {
+ is_groupware_collection = 1;
+ }
+ else {
+ is_groupware_collection = 0;
+ }
- wprintf("<D:response>");
+ if ( (is_groupware_collection) && ((starting_point + WCC->Hdr->HR.dav_depth) >= 2) ) {
+ wc_printf("<response>");
- wprintf("<D:href>");
-/*
- if (strlen(WC->http_host) > 0) {
- wprintf("%s://%s",
- (is_https ? "https" : "http"),
- WC->http_host);
- }
- */
- wprintf("/groupdav/");
+ wc_printf("<href>");
+ groupdav_identify_host();
+ wc_printf("/groupdav/");
urlescputs(roomname);
- wprintf("/</D:href>");
+ wc_printf("/</href>");
- wprintf("<D:propstat>");
- wprintf("<D:status>HTTP/1.1 200 OK</D:status>");
- wprintf("<D:prop>");
- wprintf("<D:fullname>");
+ wc_printf("<propstat>");
+ wc_printf("<status>HTTP/1.1 200 OK</status>");
+ wc_printf("<prop>");
+ wc_printf("<displayname>");
escputs(roomname);
- wprintf("</D:fullname>");
- wprintf("<D:resourcetype><D:collection/>");
+ wc_printf("</displayname>");
+ wc_printf("<resourcetype><collection/>");
switch(view) {
- case VIEW_CALENDAR:
- wprintf("<G:vevent-collection />");
- break;
- case VIEW_TASKS:
- wprintf("<G:vtodo-collection />");
- break;
- case VIEW_ADDRESSBOOK:
- wprintf("<G:vcard-collection />");
- break;
+ case VIEW_CALENDAR:
+ wc_printf("<G:vevent-collection />");
+ break;
+ case VIEW_TASKS:
+ wc_printf("<G:vtodo-collection />");
+ break;
+ case VIEW_ADDRESSBOOK:
+ wc_printf("<G:vcard-collection />");
+ break;
+ case VIEW_NOTES:
+ wc_printf("<G:vnotes-collection />");
+ break;
+ case VIEW_JOURNAL:
+ wc_printf("<G:vjournal-collection />");
+ break;
+ case VIEW_WIKI:
+ wc_printf("<G:wiki-collection />");
+ break;
}
- wprintf("</D:resourcetype>");
- wprintf("</D:prop>");
- wprintf("</D:propstat>");
- wprintf("</D:response>");
+ wc_printf("</resourcetype>");
+ wc_printf("<getlastmodified>");
+ escputs(datestring);
+ wc_printf("</getlastmodified>");
+ wc_printf("</prop>");
+ wc_printf("</propstat>");
+ wc_printf("</response>");
}
}
- wprintf("</D:multistatus>\n");
+ wc_printf("</multistatus>\n");
end_burst();
}
-/**
- * \brief Search though a davname
- * \param dav_pathname The pathname is always going to be /groupdav/room_name/msg_num
+/*
+ * The pathname is always going to be /groupdav/room_name/msg_num
*/
-void groupdav_propfind(char *dav_pathname) {
- char dav_roomname[256];
- char dav_uid[256];
- char msgnum[256];
+void groupdav_propfind(void)
+{
+ wcsession *WCC = WC;
+ StrBuf *dav_roomname;
+ StrBuf *dav_uid;
+ StrBuf *MsgNum;
+ long BufLen;
long dav_msgnum = (-1);
- char buf[256];
char uid[256];
char encoded_uid[256];
long *msgs = NULL;
now = time(NULL);
http_datestring(datestring, sizeof datestring, now);
- extract_token(dav_roomname, dav_pathname, 2, '/', sizeof dav_roomname);
- extract_token(dav_uid, dav_pathname, 3, '/', sizeof dav_uid);
+ dav_roomname = NewStrBuf();
+ dav_uid = NewStrBuf();
+ StrBufExtract_token(dav_roomname, WCC->Hdr->HR.ReqLine, 0, '/');
+ StrBufExtract_token(dav_uid, WCC->Hdr->HR.ReqLine, 1, '/');
/*
- lprintf(9, "dav_pathname: %s\n", dav_pathname);
- lprintf(9, "dav_roomname: %s\n", dav_roomname);
- lprintf(9, " dav_uid: %s\n", dav_uid);
- */
-
- /**
* If the room name is blank, the client is requesting a
* folder list.
*/
- if (strlen(dav_roomname) == 0) {
- groupdav_folder_list();
+ if (StrLength(dav_roomname) == 0) {
+ groupdav_collection_list();
+ FreeStrBuf(&dav_roomname);
+ FreeStrBuf(&dav_uid);
return;
}
/* Go to the correct room. */
- if (strcasecmp(WC->wc_roomname, dav_roomname)) {
+ if (strcasecmp(ChrPtr(WCC->wc_roomname), ChrPtr(dav_roomname))) {
gotoroom(dav_roomname);
}
- if (strcasecmp(WC->wc_roomname, dav_roomname)) {
- wprintf("HTTP/1.1 404 not found\r\n");
+ if (strcasecmp(ChrPtr(WCC->wc_roomname), ChrPtr(dav_roomname))) {
+ hprintf("HTTP/1.1 404 not found\r\n");
groupdav_common_headers();
- wprintf("Date: %s\r\n", datestring);
- wprintf(
- "Content-Type: text/plain\r\n"
- "\r\n"
- "There is no folder called \"%s\" on this server.\r\n",
- dav_roomname
+ hprintf("Date: %s\r\n", datestring);
+ 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;
}
- /**
- * If dav_uid is non-empty, client is requesting a PROPFIND on
+ /* If dav_uid is non-empty, client is requesting a PROPFIND on
* a specific item in the room. This is not valid GroupDAV, but
- * we try to honor it anyway because some clients are expecting
- * it to work...
+ * it is valid WebDAV.
*/
- if (strlen(dav_uid) > 0) {
+ if (StrLength(dav_uid) != 0) {
- dav_msgnum = locate_message_by_uid(dav_uid);
+ dav_msgnum = locate_message_by_uid(ChrPtr(dav_uid));
if (dav_msgnum < 0) {
- wprintf("HTTP/1.1 404 not found\r\n");
+ hprintf("HTTP/1.1 404 not found\r\n");
groupdav_common_headers();
- wprintf(
- "Content-Type: text/plain\r\n"
- "\r\n"
- "Object \"%s\" was not found in the \"%s\" folder.\r\n",
- dav_uid,
- dav_roomname
+ 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;
}
- /**
- * Be rude. Completely ignore the XML request and simply send them
+ /* Be rude. Completely ignore the XML request and simply send them
* everything we know about (which is going to simply be the ETag and
* nothing else). Let the client-side parser sort it out.
*/
- wprintf("HTTP/1.1 207 Multi-Status\r\n");
+ hprintf("HTTP/1.0 207 Multi-Status\r\n");
groupdav_common_headers();
- wprintf("Date: %s\r\n", datestring);
- wprintf("Content-type: text/xml\r\n");
- wprintf("Content-encoding: identity\r\n");
+ hprintf("Date: %s\r\n", datestring);
+ hprintf("Content-type: text/xml\r\n");
+ hprintf("Content-encoding: identity\r\n");
begin_burst();
- wprintf("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
- "<D:multistatus xmlns:D=\"DAV:\" xmlns:G=\"http://groupdav.org/\">"
+ wc_printf("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+ "<multistatus xmlns=\"DAV:\">"
);
- wprintf("<D:response>");
-
- wprintf("<D:href>");
-/*
- if (strlen(WC->http_host) > 0) {
- wprintf("%s://%s",
- (is_https ? "https" : "http"),
- WC->http_host);
- }
- */
- wprintf("/groupdav/");
- urlescputs(WC->wc_roomname);
- euid_escapize(encoded_uid, dav_uid);
- wprintf("/%s", encoded_uid);
- wprintf("</D:href>");
- wprintf("<D:propstat>");
- wprintf("<D:status>HTTP/1.1 200 OK</D:status>");
- wprintf("<D:prop><D:getetag>\"%ld\"</D:getetag></D:prop>", dav_msgnum);
- wprintf("</D:propstat>");
-
- wprintf("</D:response>\n");
- wprintf("</D:multistatus>\n");
+ wc_printf("<response>");
+
+ wc_printf("<href>");
+ groupdav_identify_host();
+ wc_printf("/groupdav/");
+ urlescputs(ChrPtr(WCC->wc_roomname));
+ euid_escapize(encoded_uid, ChrPtr(dav_uid));
+ wc_printf("/%s", encoded_uid);
+ wc_printf("</href>");
+ wc_printf("<propstat>");
+ wc_printf("<status>HTTP/1.1 200 OK</status>");
+ wc_printf("<prop>");
+ wc_printf("<getetag>\"%ld\"</getetag>", dav_msgnum);
+ wc_printf("<getlastmodified>");
+ escputs(datestring);
+ wc_printf("</getlastmodified>");
+ wc_printf("</prop>");
+ wc_printf("</propstat>");
+
+ wc_printf("</response>\n");
+ wc_printf("</multistatus>\n");
end_burst();
+ FreeStrBuf(&dav_roomname);
+ FreeStrBuf(&dav_uid);
return;
}
+ FreeStrBuf(&dav_roomname);
+ FreeStrBuf(&dav_uid);
- /**
+ /*
* We got to this point, which means that the client is requesting
* a 'collection' (i.e. a list of all items in the room).
*
* everything we know about (which is going to simply be the ETag and
* nothing else). Let the client-side parser sort it out.
*/
- wprintf("HTTP/1.1 207 Multi-Status\r\n");
+ hprintf("HTTP/1.0 207 Multi-Status\r\n");
groupdav_common_headers();
- wprintf("Date: %s\r\n", datestring);
- wprintf("Content-type: text/xml\r\n");
- wprintf("Content-encoding: identity\r\n");
+ hprintf("Date: %s\r\n", datestring);
+ hprintf("Content-type: text/xml\r\n");
+ hprintf("Content-encoding: identity\r\n");
begin_burst();
- wprintf("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
- "<D:multistatus xmlns:D=\"DAV:\" xmlns:G=\"http://groupdav.org/\">"
+ wc_printf("<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+ "<multistatus xmlns=\"DAV:\" xmlns:G=\"http://groupdav.org/\">"
);
- serv_puts("MSGS ALL");
- serv_getln(buf, sizeof buf);
- if (buf[0] == '1') while (serv_getln(msgnum, sizeof msgnum), strcmp(msgnum, "000")) {
- msgs = realloc(msgs, ++num_msgs * sizeof(long));
- msgs[num_msgs-1] = atol(msgnum);
+
+ /* Transmit the collection resource (FIXME check depth and starting point) */
+ wc_printf("<response>");
+
+ wc_printf("<href>");
+ groupdav_identify_host();
+ wc_printf("/groupdav/");
+ urlescputs(ChrPtr(WCC->wc_roomname));
+ wc_printf("</href>");
+
+ wc_printf("<propstat>");
+ wc_printf("<status>HTTP/1.1 200 OK</status>");
+ wc_printf("<prop>");
+ wc_printf("<displayname>");
+ escputs(ChrPtr(WCC->wc_roomname));
+ wc_printf("</displayname>");
+ wc_printf("<resourcetype><collection/>");
+
+ switch(WCC->wc_default_view) {
+ case VIEW_CALENDAR:
+ wc_printf("<G:vevent-collection />");
+ break;
+ case VIEW_TASKS:
+ wc_printf("<G:vtodo-collection />");
+ break;
+ case VIEW_ADDRESSBOOK:
+ wc_printf("<G:vcard-collection />");
+ break;
}
+ wc_printf("</resourcetype>");
+ /* FIXME get the mtime
+ wc_printf("<getlastmodified>");
+ escputs(datestring);
+ wc_printf("</getlastmodified>");
+ */
+ wc_printf("</prop>");
+ wc_printf("</propstat>");
+ wc_printf("</response>");
+
+ /* Transmit the collection listing (FIXME check depth and starting point) */
+
+ MsgNum = NewStrBuf();
+ serv_puts("MSGS ALL");
+
+ StrBuf_ServGetln(MsgNum);
+ if (GetServerStatus(MsgNum, NULL) == 1)
+ while (BufLen = StrBuf_ServGetln(MsgNum), strcmp(ChrPtr(MsgNum), "000")) {
+ msgs = realloc(msgs, ++num_msgs * sizeof(long));
+ msgs[num_msgs-1] = StrTol(MsgNum);
+ }
+
if (num_msgs > 0) for (i=0; i<num_msgs; ++i) {
strcpy(uid, "");
+ now = (-1);
serv_printf("MSG0 %ld|3", msgs[i]);
- serv_getln(buf, sizeof buf);
- if (buf[0] == '1') while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
- if (!strncasecmp(buf, "exti=", 5)) {
- strcpy(uid, &buf[5]);
+ StrBuf_ServGetln(MsgNum);
+ if (GetServerStatus(MsgNum, NULL) == 1)
+ while (BufLen = StrBuf_ServGetln(MsgNum), strcmp(ChrPtr(MsgNum), "000"))
+ {
+ if (!strncasecmp(ChrPtr(MsgNum), "exti=", 5)) {
+ strcpy(uid, &ChrPtr(MsgNum)[5]);
+ }
+ else if (!strncasecmp(ChrPtr(MsgNum), "time=", 5)) {
+ now = atol(&ChrPtr(MsgNum)[5]);
}
}
- if (strlen(uid) > 0) {
- wprintf("<D:response>");
- wprintf("<D:href>");
-/*
- if (strlen(WC->http_host) > 0) {
- wprintf("%s://%s",
- (is_https ? "https" : "http"),
- WC->http_host);
- }
- */
- wprintf("/groupdav/");
- urlescputs(WC->wc_roomname);
- euid_escapize(encoded_uid, uid);
- wprintf("/%s", encoded_uid);
- wprintf("</D:href>");
- wprintf("<D:propstat>");
- wprintf("<D:status>HTTP/1.1 200 OK</D:status>");
- wprintf("<D:prop><D:getetag>\"%ld\"</D:getetag></D:prop>", msgs[i]);
- wprintf("</D:propstat>");
- wprintf("</D:response>");
+ if (!IsEmptyStr(uid)) {
+ wc_printf("<response>");
+ wc_printf("<href>");
+ groupdav_identify_host();
+ wc_printf("/groupdav/");
+ urlescputs(ChrPtr(WCC->wc_roomname));
+ euid_escapize(encoded_uid, uid);
+ wc_printf("/%s", encoded_uid);
+ wc_printf("</href>");
+ switch(WCC->wc_default_view) {
+ case VIEW_CALENDAR:
+ wc_printf("<getcontenttype>text/x-ical</getcontenttype>");
+ break;
+ case VIEW_TASKS:
+ wc_printf("<getcontenttype>text/x-ical</getcontenttype>");
+ break;
+ case VIEW_ADDRESSBOOK:
+ wc_printf("<getcontenttype>text/x-vcard</getcontenttype>");
+ break;
+ }
+ wc_printf("<propstat>");
+ wc_printf("<status>HTTP/1.1 200 OK</status>");
+ wc_printf("<prop>");
+ wc_printf("<getetag>\"%ld\"</getetag>", msgs[i]);
+ if (now > 0L) {
+ http_datestring(datestring, sizeof datestring, now);
+ wc_printf("<getlastmodified>");
+ escputs(datestring);
+ wc_printf("</getlastmodified>");
+ }
+ wc_printf("</prop>");
+ wc_printf("</propstat>");
+ wc_printf("</response>");
}
}
+ FreeStrBuf(&MsgNum);
- wprintf("</D:multistatus>\n");
+ wc_printf("</multistatus>\n");
end_burst();
if (msgs != NULL) {
free(msgs);
}
}
-
-/*@}*/
projects / citadel.git / blobdiff