Initial version of new room sharing poller. I don't really like this because it...
[citadel.git] / citadel / modules / extnotify / extnotify_main.c
diff --git a/citadel/modules/extnotify/extnotify_main.c b/citadel/modules/extnotify/extnotify_main.c
deleted file mode 100644 (file)
index 7bbad05..0000000
+++ /dev/null
@@ -1,518 +0,0 @@
-/*
- * extnotify_main.c
- * Mathew McBride
- *
- * This module implements an external pager hook for when notifcation
- * of a new email is wanted.
- *
- * Based on bits of serv_funambol
- * Contact: <matt@mcbridematt.dhs.org> / <matt@comalies>
- *
- * Copyright (c) 2008-2015
- *
- * This program is open source software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 3 of the License, or
- * (at your option) any later version.
- *
- * 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 "sysdep.h"
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <signal.h>
-#include <pwd.h>
-#include <errno.h>
-#include <sys/types.h>
-
-#if TIME_WITH_SYS_TIME
-# include <sys/time.h>
-# include <time.h>
-#else
-# if HAVE_SYS_TIME_H
-#  include <sys/time.h>
-# else
-#  include <time.h>
-# endif
-#endif
-
-#include <sys/wait.h>
-#include <string.h>
-#include <limits.h>
-#include <sys/socket.h>
-#include <libcitadel.h>
-#include "citadel.h"
-#include "server.h"
-#include "citserver.h"
-#include "support.h"
-#include "config.h"
-#include "control.h"
-#include "user_ops.h"
-#include "database.h"
-#include "msgbase.h"
-#include "internet_addressing.h"
-#include "domain.h"
-#include "clientsocket.h"
-#include "event_client.h"
-#include "extnotify.h"
-#include "ctdl_module.h"
-
-struct CitContext extnotify_queue_CC;
-
-void ExtNotify_PutErrorMessage(NotifyContext *Ctx, StrBuf *ErrMsg)
-{
-       int nNext;
-       if (Ctx->NotifyErrors == NULL)
-               Ctx->NotifyErrors = NewHash(1, Flathash);
-
-       nNext = GetCount(Ctx->NotifyErrors) + 1;
-       Put(Ctx->NotifyErrors,
-           (char*)&nNext,
-           sizeof(int),
-           ErrMsg,
-           HFreeStrBuf);
-}
-
-StrBuf* GetNHBuf(int i, int allocit, StrBuf **NotifyHostList)
-{
-       if ((NotifyHostList[i] == NULL) && (allocit != 0))
-               NotifyHostList[i] = NewStrBuf();
-       return NotifyHostList[i];
-}
-
-
-int GetNotifyHosts(NotifyContext *Ctx)
-{
-       char NotifyHostsBuf[SIZ];
-       StrBuf *Host;
-       StrBuf *File;
-       StrBuf *NotifyBuf;
-       int notify;
-       const char *pchs, *pche;
-       const char *NextHost = NULL;
-
-       /* See if we have any Notification Hosts configured */
-       Ctx->nNotifyHosts = get_hosts(NotifyHostsBuf, "notify");
-       if (Ctx->nNotifyHosts < 1)
-               return 0;
-
-       Ctx->NotifyHostList = malloc(sizeof(StrBuf*) *
-                                    2 *
-                                    (Ctx->nNotifyHosts + 1));
-       memset(Ctx->NotifyHostList, 0,
-              sizeof(StrBuf*) * 2 * (Ctx->nNotifyHosts + 1));
-
-       NotifyBuf = NewStrBufPlain(NotifyHostsBuf, -1);
-       /* get all configured notifiers's */
-       for (notify=0; notify<Ctx->nNotifyHosts; notify++) {
-
-               Host = GetNHBuf(notify * 2, 1, Ctx->NotifyHostList);
-               StrBufExtract_NextToken(Host, NotifyBuf, &NextHost, '|');
-               pchs = ChrPtr(Host);
-               pche = strchr(pchs, ':');
-               if (pche == NULL) {
-                       syslog(LOG_ERR,
-                              "extnotify: filename of notification "
-                              "template not found in %s.",
-                              pchs);
-                       continue;
-               }
-               File = GetNHBuf(notify * 2 + 1, 1, Ctx->NotifyHostList);
-               StrBufPlain(File, pchs, pche - pchs);
-               StrBufCutLeft(Host, pche - pchs + 1);
-       }
-       FreeStrBuf(&NotifyBuf);
-       return Ctx->nNotifyHosts;
-}
-
-
-
-/*! \brief Get configuration message for pager/funambol system from the
- *                     users "My Citadel Config" room
- */
-eNotifyType extNotify_getConfigMessage(char *username,
-                                      char **PagerNumber,
-                                      char **FreeMe)
-{
-       struct ctdlroom qrbuf; // scratch for room
-       struct ctdluser user; // ctdl user instance
-       char configRoomName[ROOMNAMELEN];
-       struct CtdlMessage *msg = NULL;
-       struct cdbdata *cdbfr;
-       long *msglist = NULL;
-       int num_msgs = 0;
-       int a;
-       char *configMsg;
-       long clen;
-       char *pch;
-
-       // Get the user
-       CtdlGetUser(&user, username);
-
-       CtdlMailboxName(configRoomName,
-                       sizeof(configRoomName),
-                       &user,
-                       USERCONFIGROOM);
-       // Fill qrbuf
-       CtdlGetRoom(&qrbuf, configRoomName);
-       /* Do something really, really stoopid here. Raid the room on ourselves,
-        * loop through the messages manually and find it. I don't want
-        * to use a CtdlForEachMessage callback here, as we would be
-        * already in one */
-       cdbfr = cdb_fetch(CDB_MSGLISTS, &qrbuf.QRnumber, sizeof(long));
-       if (cdbfr != NULL) {
-               msglist = (long *) cdbfr->ptr;
-               cdbfr->ptr = NULL;
-                       /* CtdlForEachMessage() now owns this memory */
-               num_msgs = cdbfr->len / sizeof(long);
-               cdb_free(cdbfr);
-       } else {
-               syslog(LOG_DEBUG,
-                            "extNotify_getConfigMessage: "
-                            "No config messages found");
-               return eNone;   /* No messages at all?  No further action. */
-       }
-       for (a = 0; a < num_msgs; ++a) {
-               msg = CtdlFetchMessage(msglist[a], 1, 1);
-               if (msg != NULL) {
-                       if (!CM_IsEmpty(msg, eMsgSubject) &&
-                           (strncasecmp(msg->cm_fields[eMsgSubject],
-                                        PAGER_CONFIG_MESSAGE,
-                                        strlen(PAGER_CONFIG_MESSAGE)) == 0))
-                       {
-                               break;
-                       }
-                       CM_Free(msg);
-                       msg = NULL;
-               }
-       }
-
-       free(msglist);
-       if (msg == NULL)
-               return eNone;
-
-       // Do a simple string search to see if 'funambol' is selected as the
-       // type. This string would be at the very top of the message contents.
-
-       CM_GetAsField(msg, eMesageText, &configMsg, &clen);
-       CM_Free(msg);
-
-       /* here we would find the pager number... */
-       pch = strchr(configMsg, '\n');
-       if (pch != NULL)
-       {
-               *pch = '\0';
-               pch ++;
-       }
-
-       /* Check to see if:
-        * 1. The user has configured paging / They have and disabled it
-        * AND 2. There is an external pager program
-        * 3. A Funambol server has been entered
-        *
-        */
-       if (!strncasecmp(configMsg, "none", 4))
-       {
-               free(configMsg);
-               return eNone;
-       }
-
-       if (!strncasecmp(configMsg, HKEY(PAGER_CONFIG_HTTP)))
-       {
-               free(configMsg);
-               return eHttpMessages;
-       }
-       if (!strncasecmp(configMsg, HKEY(FUNAMBOL_CONFIG_TEXT)))
-       {
-               free(configMsg);
-               return eFunambol;
-       }
-       else if (!strncasecmp(configMsg, HKEY(PAGER_CONFIG_SYSTEM)))
-       {
-               // whats the pager number?
-               if (!pch || (*pch == '\0'))
-               {
-                       free(configMsg);
-
-                       return eNone;
-               }
-               while (isspace(*pch))
-                       pch ++;
-               *PagerNumber = pch;
-               while (isdigit(*pch) || (*pch == '+'))
-                       pch++;
-               *pch = '\0';
-               *FreeMe = configMsg;
-               return eTextMessage;
-       }
-
-       free(configMsg);
-       return eNone;
-}
-
-
-/*
- * Process messages in the external notification queue
- */
-void process_notify(long NotifyMsgnum, void *usrdata)
-{
-       NotifyContext *Ctx;
-       long msgnum = 0;
-       long todelete[1];
-       char *pch;
-       struct CtdlMessage *msg;
-       eNotifyType Type;
-       char remoteurl[SIZ];
-       char *FreeMe = NULL;
-       char *PagerNo;
-
-       Ctx = (NotifyContext*) usrdata;
-
-       msg = CtdlFetchMessage(NotifyMsgnum, 1, 1);
-       if (!CM_IsEmpty(msg, eExtnotify))
-       {
-               Type = extNotify_getConfigMessage(
-                       msg->cm_fields[eExtnotify],
-                       &PagerNo,
-                       &FreeMe);
-
-               pch = strstr(msg->cm_fields[eMesageText], "msgid|");
-               if (pch != NULL)
-                       msgnum = atol(pch + sizeof("msgid"));
-
-               switch (Type)
-               {
-               case eFunambol:
-                       snprintf(remoteurl, SIZ, "http://%s@%s:%d/%s",
-                                CtdlGetConfigStr("c_funambol_auth"),
-                                CtdlGetConfigStr("c_funambol_host"),
-                                CtdlGetConfigInt("c_funambol_port"),
-                                FUNAMBOL_WS);
-
-                       notify_http_server(remoteurl,
-                                          file_funambol_msg,
-                                          strlen(file_funambol_msg),/*GNA*/
-                                          msg->cm_fields[eExtnotify],
-                                          msg->cm_fields[emessageId],
-                                          msgnum,
-                                          NULL);
-                       break;
-               case eHttpMessages:
-               {
-                       int i = 0;
-                       StrBuf *URL;
-                       char URLBuf[SIZ];
-                       StrBuf *File;
-                       StrBuf *FileBuf = NewStrBuf();
-
-                       for (i = 0; i < Ctx->nNotifyHosts; i++)
-                       {
-
-                               URL = GetNHBuf(i*2, 0, Ctx->NotifyHostList);
-                               if (URL==NULL) break;
-                               File = GetNHBuf(i*2 + 1, 0,
-                                               Ctx->NotifyHostList);
-                               if (File==NULL) break;
-
-                               if (StrLength(File)>0)
-                                       StrBufPrintf(FileBuf, "%s/%s",
-                                                    ctdl_shared_dir,
-                                                    ChrPtr(File));
-                               else
-                                       FlushStrBuf(FileBuf);
-                               memcpy(URLBuf, ChrPtr(URL), StrLength(URL) + 1);
-
-                               notify_http_server(URLBuf,
-                                                  ChrPtr(FileBuf),
-                                                  StrLength(FileBuf),
-                                                  msg->cm_fields[eExtnotify],
-                                                  msg->cm_fields[emessageId],
-                                                  msgnum,
-                                                  NULL);
-                       }
-                       FreeStrBuf(&FileBuf);
-               }
-               break;
-               case eTextMessage:
-               {
-                       int commandSiz;
-                       char *command;
-
-                       commandSiz = sizeof(CtdlGetConfigStr("c_pager_program")) +
-                               strlen(PagerNo) +
-                               msg->cm_lengths[eExtnotify] + 5;
-
-                       command = malloc(commandSiz);
-
-                       snprintf(command,
-                                commandSiz,
-                                "%s %s -u %s",
-                                CtdlGetConfigStr("c_pager_program"),
-                                PagerNo,
-                                msg->cm_fields[eExtnotify]);
-
-                       system(command);
-                       free(command);
-               }
-               break;
-               case eNone:
-                       break;
-               }
-       }
-       if (FreeMe != NULL)
-               free(FreeMe);
-       CM_Free(msg);
-       todelete[0] = NotifyMsgnum;
-       CtdlDeleteMessages(FNBL_QUEUE_ROOM, todelete, 1, "");
-}
-
-/*!
- * \brief Run through the pager room queue
- * Checks to see what notification option the user has set
- */
-void do_extnotify_queue(void)
-{
-       NotifyContext Ctx;
-       static int doing_queue = 0;
-       int i = 0;
-
-       /*
-        * This is a simple concurrency check to make sure only one queue run
-        * is done at a time.  We could do this with a mutex, but since we
-        * don't really require extremely fine granularity here, we'll do it
-        * with a static variable instead.
-        */
-       if (IsEmptyStr(CtdlGetConfigStr("c_pager_program")) &&
-           IsEmptyStr(CtdlGetConfigStr("c_funambol_host")))
-       {
-               syslog(LOG_DEBUG,
-                            "No external notifiers configured on system/user");
-               return;
-       }
-
-       if (doing_queue)
-               return;
-
-       doing_queue = 1;
-
-       become_session(&extnotify_queue_CC);
-
-       pthread_setspecific(MyConKey, (void *)&extnotify_queue_CC);
-
-       /*
-        * Go ahead and run the queue
-        */
-       syslog(LOG_DEBUG, "serv_extnotify: processing notify queue");
-
-       memset(&Ctx, 0, sizeof(NotifyContext));
-       if ((GetNotifyHosts(&Ctx) > 0) &&
-           (CtdlGetRoom(&CC->room, FNBL_QUEUE_ROOM) != 0))
-       {
-               syslog(LOG_ERR, "Cannot find room <%s>", FNBL_QUEUE_ROOM);
-               if (Ctx.nNotifyHosts > 0)
-               {
-                       for (i = 0; i < Ctx.nNotifyHosts * 2; i++)
-                               FreeStrBuf(&Ctx.NotifyHostList[i]);
-                       free(Ctx.NotifyHostList);
-               }
-               return;
-       }
-       CtdlForEachMessage(MSGS_ALL, 0L, NULL,
-                          SPOOLMIME, NULL, process_notify, &Ctx);
-       syslog(LOG_DEBUG, "serv_extnotify: queue run completed");
-       doing_queue = 0;
-       if (Ctx.nNotifyHosts > 0)
-       {
-               for (i = 0; i < Ctx.nNotifyHosts * 2; i++)
-                       FreeStrBuf(&Ctx.NotifyHostList[i]);
-               free(Ctx.NotifyHostList);
-       }
-}
-
-
-
-/* Create the notify message queue. We use the exact same room
- * as the Funambol module.
- *
- * Run at server startup, creates FNBL_QUEUE_ROOM if it doesn't exist
- * and sets as system room.
- */
-void create_extnotify_queue(void) {
-       struct ctdlroom qrbuf;
-
-       CtdlCreateRoom(FNBL_QUEUE_ROOM, 3, "", 0, 1, 0, VIEW_QUEUE);
-
-       CtdlFillSystemContext(&extnotify_queue_CC, "Extnotify");
-
-       /*
-        * Make sure it's set to be a "system room" so it doesn't show up
-        * in the <K>nown rooms list for Aides.
-        */
-       if (CtdlGetRoomLock(&qrbuf, FNBL_QUEUE_ROOM) == 0) {
-               qrbuf.QRflags2 |= QR2_SYSTEM;
-               CtdlPutRoomLock(&qrbuf);
-       }
-}
-
-int extnotify_after_mbox_save(struct CtdlMessage *msg,
-                             recptypes *recps)
-
-{
-       /* If this is private, local mail, make a copy in the
-        * recipient's mailbox and bump the reference count.
-        */
-       if (!IsEmptyStr(CtdlGetConfigStr("c_funambol_host")) || !IsEmptyStr(CtdlGetConfigStr("c_pager_program")))
-       {
-               /* Generate a instruction message for the Funambol notification
-                * server, in the same style as the SMTP queue
-                */
-               StrBuf *instr;
-               struct CtdlMessage *imsg;
-
-               instr = NewStrBufPlain(NULL, 1024);
-               StrBufPrintf(instr,
-                            "Content-type: "SPOOLMIME"\n"
-                            "\n"
-                            "msgid|%s\n"
-                            "submitted|%ld\n"
-                            "bounceto|%s\n",
-                            msg->cm_fields[eVltMsgNum],
-                            (long)time(NULL), //todo: time() is expensive!
-                            recps->bounce_to
-                       );
-                               
-               imsg = malloc(sizeof(struct CtdlMessage));
-               memset(imsg, 0, sizeof(struct CtdlMessage));
-               imsg->cm_magic = CTDLMESSAGE_MAGIC;
-               imsg->cm_anon_type = MES_NORMAL;
-               imsg->cm_format_type = FMT_RFC822;
-               CM_SetField(imsg, eMsgSubject, HKEY("QMSG"));
-               CM_SetField(imsg, eAuthor, HKEY("Citadel"));
-               CM_SetField(imsg, eJournal, HKEY("do not journal"));
-               CM_SetAsFieldSB(imsg, eMesageText, &instr);
-               CM_SetField(imsg, eExtnotify, recps->recp_local, strlen(recps->recp_local));
-               CtdlSubmitMsg(imsg, NULL, FNBL_QUEUE_ROOM, 0);
-               CM_Free(imsg);
-       }
-       return 0;
-}
-
-CTDL_MODULE_INIT(extnotify)
-{
-       if (!threading)
-       {
-               create_extnotify_queue();
-               CtdlRegisterMessageHook(extnotify_after_mbox_save, EVT_AFTERUSRMBOXSAVE);
-
-               CtdlRegisterSessionHook(do_extnotify_queue, EVT_TIMER, PRIO_SEND + 10);
-       }
-       /* return our module name for the log */
-       return "extnotify";
-}