* move serv_info into the session, here we can control its de/allocation the right...
[citadel.git] / webcit / serv_func.c
index 2fc570fe4367fe54a31d240e3ade6a55e7fc4206..6b36860f4cd520283c71e99896b0ec7c05f8f875 100644 (file)
 /*
  * $Id$
- *
- * Handles various types of data transfer operations with the Citadel service.
- *
  */
 
 #include "webcit.h"
 #include "webserver.h"
 
-struct serv_info serv_info;
+
+void DeleteServInfo(ServInfo **FreeMe)
+{
+       FreeStrBuf(&(*FreeMe)->serv_nodename);
+       FreeStrBuf(&(*FreeMe)->serv_humannode);
+       FreeStrBuf(&(*FreeMe)->serv_fqdn);
+       FreeStrBuf(&(*FreeMe)->serv_software);
+       FreeStrBuf(&(*FreeMe)->serv_bbs_city);
+       FreeStrBuf(&(*FreeMe)->serv_sysadm);
+       FreeStrBuf(&(*FreeMe)->serv_moreprompt);
+       FreeStrBuf(&(*FreeMe)->serv_default_cal_zone);
+       FreeStrBuf(&(*FreeMe)->serv_svn_revision);
+       free(*FreeMe);
+       *FreeMe = NULL;
+}
 
 /*
  * get info about the server we've connected to
+ *
+ * browser_host                the citadell we want to connect to
+ * user_agent          which browser uses our client?
  */
-void get_serv_info(char *browser_host, char *user_agent)
+ServInfo *get_serv_info(StrBuf *browser_host, char *user_agent)
 {
+       ServInfo *info;
+       StrBuf *Buf;
        char buf[SIZ];
        int a;
 
-       /* Tell the server what kind of client is connecting */
+       /** Tell the server what kind of client is connecting */
        serv_printf("IDEN %d|%d|%d|%s|%s",
-               DEVELOPER_ID,
-               CLIENT_ID,
-               CLIENT_VERSION,
-               user_agent,
-               browser_host
+                   DEVELOPER_ID,
+                   CLIENT_ID,
+                   CLIENT_VERSION,
+                   user_agent,
+                   ChrPtr(browser_host)
        );
        serv_getln(buf, sizeof buf);
 
-       /* Tell the server what kind of richtext we prefer */
-       serv_puts("MSGP text/html|text/plain");
+       /** Tell the server what kind of richtext we prefer */
+       serv_puts("MSGP text/calendar|text/html|text/plain");
        serv_getln(buf, sizeof buf);
 
-#ifdef WEBCIT_WITH_CALENDAR_SERVICE
-       /* Tell the server that when we save a calendar event, we
+       /*
+        * Tell the server that when we save a calendar event, we
         * want invitations to be generated by the Citadel server
         * instead of by the client.
         */
        serv_puts("ICAL sgi|1");
        serv_getln(buf, sizeof buf);
-#endif
 
-       /* Now ask the server to tell us a little bit about itself... */
+       /** Now ask the server to tell us a little bit about itself... */
        serv_puts("INFO");
        serv_getln(buf, sizeof buf);
        if (buf[0] != '1')
-               return;
+               return NULL;
 
+       info = (ServInfo*)malloc(sizeof(ServInfo));
+       memset(info, 0, sizeof(ServInfo));
        a = 0;
-       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+       Buf = NewStrBuf();
+       while (StrBuf_ServGetln(Buf), (strcmp(ChrPtr(Buf), "000")!= 0)) {
+/*             lprintf (1, "a: %d [%s]", a, ChrPtr(Buf));*/
                switch (a) {
                case 0:
-                       serv_info.serv_pid = atoi(buf);
-                       WC->ctdl_pid = serv_info.serv_pid;
+                       info->serv_pid = StrToi(Buf);
+                       WC->ctdl_pid = info->serv_pid;
                        break;
                case 1:
-                       safestrncpy(serv_info.serv_nodename, buf, sizeof serv_info.serv_nodename);
+                       info->serv_nodename = NewStrBufDup(Buf);
                        break;
                case 2:
-                       safestrncpy(serv_info.serv_humannode, buf, sizeof serv_info.serv_humannode);
+                       info->serv_humannode = NewStrBufDup(Buf);
                        break;
                case 3:
-                       safestrncpy(serv_info.serv_fqdn, buf, sizeof serv_info.serv_fqdn);
+                       info->serv_fqdn = NewStrBufDup(Buf);
                        break;
                case 4:
-                       safestrncpy(serv_info.serv_software, buf, sizeof serv_info.serv_software);
+                       info->serv_software = NewStrBufDup(Buf);
                        break;
                case 5:
-                       serv_info.serv_rev_level = atoi(buf);
+                       info->serv_rev_level = StrToi(Buf);
                        break;
                case 6:
-                       safestrncpy(serv_info.serv_bbs_city, buf, sizeof serv_info.serv_bbs_city);
+                       info->serv_bbs_city = NewStrBufDup(Buf);
                        break;
                case 7:
-                       safestrncpy(serv_info.serv_sysadm, buf, sizeof serv_info.serv_sysadm);
+                       info->serv_sysadm = NewStrBufDup(Buf);
                        break;
                case 9:
-                       safestrncpy(serv_info.serv_moreprompt, buf, sizeof serv_info.serv_moreprompt);
+                       info->serv_moreprompt = NewStrBufDup(Buf);
                        break;
                case 14:
-                       serv_info.serv_supports_ldap = atoi(buf);
+                       info->serv_supports_ldap = StrToi(Buf);
+                       break;
+               case 15:
+                       info->serv_newuser_disabled = StrToi(Buf);
+                       break;
+               case 16:
+                       info->serv_default_cal_zone = NewStrBufDup(Buf);
+                       break;
+               case 20:
+                       info->serv_supports_sieve = StrToi(Buf);
+                       break;
+               case 21:
+                       info->serv_fulltext_enabled = StrToi(Buf);
+                       break;
+               case 22:
+                       info->serv_svn_revision = NewStrBufDup(Buf);
+                       break;
+               case 23:
+                       info->serv_supports_openid = StrToi(Buf);
                        break;
                }
                ++a;
        }
+       FreeStrBuf(&Buf);
+       return info;
 }
 
 
 
-/* 
- * Read Citadel variformat text and spit it out as HTML.
+/**
+ *  Read Citadel variformat text and spit it out as HTML.
+ *  align html align string
  */
-void fmout(char *align)
+inline void fmout(char *align)
+{
+       _fmout(WC->WBuf, align);
+}
+
+void _fmout(StrBuf *Target, char *align)
 {
        int intext = 0;
        int bq = 0;
        char buf[SIZ];
 
-       wprintf("<div align=%s>\n", align);
+       StrBufAppendPrintf(Target, "<div align=%s>\n", align);
        while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
 
                if ((intext == 1) && (isspace(buf[0]))) {
@@ -105,25 +150,26 @@ void fmout(char *align)
                }
                intext = 1;
 
-               /* Quoted text should be displayed in italics and in a
+               /**
+                * Quoted text should be displayed in italics and in a
                 * different colour.  This code understands Citadel-style
                 * " >" quotes and will convert to <BLOCKQUOTE> tags.
                 */
                if ((bq == 0) && (!strncmp(buf, " >", 2))) {
-                       wprintf("<BLOCKQUOTE>");
+                       StrBufAppendBufPlain(Target, HKEY("<BLOCKQUOTE>"), 0);
                        bq = 1;
                } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
-                       wprintf("</BLOCKQUOTE>");
+                       StrBufAppendBufPlain(Target, HKEY("</BLOCKQUOTE>"), 0);
                        bq = 0;
                }
                if ((bq == 1) && (!strncmp(buf, " >", 2))) {
                        strcpy(buf, &buf[2]);
                }
-               /* Activate embedded URL's */
-               url(buf);
+               /** Activate embedded URL's */
+               url(buf, sizeof(buf));
 
-               escputs(buf);
-               wprintf("\n");
+               escputs(buf);/*/ TODO: Target */
+               StrBufAppendBufPlain(Target, HKEY("\n"), 0);
        }
        if (bq == 1) {
                wprintf("</I>");
@@ -131,11 +177,79 @@ void fmout(char *align)
        wprintf("</div><br />\n");
 }
 
+void FmOut(StrBuf *Target, char *align, StrBuf *Source)
+{
+       const char *ptr, *pte;
+       const char *BufPtr = NULL;
+       StrBuf *Line = NewStrBuf();
+       StrBuf *Line1 = NewStrBuf();
+       StrBuf *Line2 = NewStrBuf();
+       int bn = 0;
+       int bq = 0;
+       int i, n, done = 0;
+       long len;
+       int intext = 0;
+
+       StrBufAppendPrintf(Target, "<div class=\"fmout\">\n", align);
+       while ((n = StrBufSipLine(Line, Source, &BufPtr), n >= 0) && !done)
+       {
+               done = n == 0;
+               bq = 0;
+               i = 0;
+               ptr = ChrPtr(Line);
+               len = StrLength(Line);
+               pte = ptr + len;
+
+               if ((intext == 1) && (isspace(*ptr))) {
+                       StrBufAppendBufPlain(Target, HKEY("<br>"), 0);
+               }
+               intext = 1;
+               if (isspace(*ptr)) while ((ptr < pte) &&
+                      ((*ptr == '>') ||
+                       isspace(*ptr)))
+               {
+                       if (*ptr == '>')
+                               bq++;
+                       ptr ++;
+                       i++;
+               }
+
+               /**
+                * Quoted text should be displayed in italics and in a
+                * different colour.  This code understands Citadel-style
+                * " >" quotes and will convert to <BLOCKQUOTE> tags.
+                */
+               if (i > 0) StrBufCutLeft(Line, i);
+               
+
+               for (i = bn; i < bq; i++)                               
+                       StrBufAppendBufPlain(Target, HKEY("<blockquote>"), 0);
+               for (i = bq; i < bn; i++)                               
+                       StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
+               bn = bq;
+
+               if (StrLength(Line) == 0)
+                       continue;
+               /** Activate embedded URL's */
+               UrlizeText(Line1, Line, Line2);
+
+               StrEscAppend(Target, Line1, NULL, 0, 0);
+
+               StrBufAppendBufPlain(Target, HKEY("\n"), 0);
+       }
+       for (i = 0; i < bn; i++)                                
+               StrBufAppendBufPlain(Target, HKEY("</blockquote>"), 0);
+       StrBufAppendBufPlain(Target, HKEY("</div><br>\n"), 0);
+       FreeStrBuf(&Line);
+       FreeStrBuf(&Line1);
+       FreeStrBuf(&Line2);
+}
+
 
 
 
-/* 
- * Read Citadel variformat text and spit it out as HTML in a form
+/**
+ *  Read Citadel variformat text and spit it out as HTML in a form
  * suitable for embedding in another message (forward/quote).
  * (NO LINEBREAKS ALLOWED HERE!)
  */
@@ -151,7 +265,8 @@ void pullquote_fmout(void) {
                }
                intext = 1;
 
-               /* Quoted text should be displayed in italics and in a
+               /**
+                * Quoted text should be displayed in italics and in a
                 * different colour.  This code understands Citadel-style
                 * " >" quotes and will convert to <BLOCKQUOTE> tags.
                 */
@@ -176,16 +291,15 @@ void pullquote_fmout(void) {
 
 
 
-/*
- * Transmit message text (in memory) to the server.
- * If convert_to_html is set to 1, the message is converted into something
- * which kind of resembles HTML.
+/**
+ *  Transmit message text (in memory) to the server.
+ *
+ *  ptr Pointer to the message being transmitted
  */
-void text_to_server(char *ptr, int convert_to_html)
+void text_to_server(char *ptr)
 {
-       char buf[SIZ];
-       char conv[4];
-       int ch, a, pos;
+       char buf[256];
+       int ch, a, pos, len;
 
        pos = 0;
        buf[0] = 0;
@@ -193,20 +307,14 @@ void text_to_server(char *ptr, int convert_to_html)
        while (ptr[pos] != 0) {
                ch = ptr[pos++];
                if (ch == 10) {
-                       while ( (isspace(buf[strlen(buf) - 1]))
-                         && (strlen(buf) > 1) )
-                               buf[strlen(buf) - 1] = 0;
+                       len = strlen(buf);
+                       while ( (isspace(buf[len - 1]))
+                               && (buf[0] !=  '\0') 
+                               && (buf[1] !=  '\0') )
+                               buf[--len] = 0;
                        serv_puts(buf);
                        buf[0] = 0;
-                       if (convert_to_html) {
-                               strcat(buf, "<br />");
-                       }
-                       else {
-                               if (ptr[pos] != 0) strcat(buf, " ");
-                       }
-               } else if ((convert_to_html)&&(strchr("#&;`'|*?-~<>^()[]{}$\\", ch) != NULL)) {
-                       sprintf(conv, "%c", ch);
-                       stresc(&buf[strlen(buf)], conv, 0, 0);
+                       if (ptr[pos] != 0) strcat(buf, " ");
                } else {
                        a = strlen(buf);
                        buf[a + 1] = 0;
@@ -223,13 +331,87 @@ void text_to_server(char *ptr, int convert_to_html)
                }
        }
        serv_puts(buf);
+}
+
+
+/**
+ *  Transmit message text (in memory) to the server,
+ *        converting to Quoted-Printable encoding as we go.
+ *
+ *  ptr Pointer to the message being transmitted
+ */
+void text_to_server_qp(char *ptr)
+{
+       unsigned char ch, buf[256];
+       int pos;
+       int output_len = 0;
 
+       pos = 0;
+       buf[0] = 0;
+       output_len = 0;
+
+       while (ptr[pos] != 0) {
+               ch = (unsigned char)(ptr[pos++]);
+
+               if (ch == 13) {
+                       /* ignore carriage returns */
+               }
+               else if (ch == 10) {
+                       /* hard line break */
+                       if (output_len > 0) {
+                               if (isspace(buf[output_len-1])) {
+                                       sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
+                                       output_len += 2;
+                               }
+                       }
+                       buf[output_len++] = 0;
+                       serv_puts((char *)buf);
+                       output_len = 0;
+               }
+               else if (ch == 9) {
+                       buf[output_len++] = ch;
+               }
+               else if ( (ch >= 32) && (ch <= 60) ) {
+                       buf[output_len++] = ch;
+               }
+               else if ( (ch >= 62) && (ch <= 126) ) {
+                       buf[output_len++] = ch;
+               }
+               else {
+                       sprintf((char *)&buf[output_len], "=%02X", ch);
+                       output_len += 3;
+               }
+               
+               if (output_len > 72) {
+                       /* soft line break */
+                       if (isspace(buf[output_len-1])) {
+                               sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
+                               output_len += 2;
+                       }
+                       buf[output_len++] = '=';
+                       buf[output_len++] = 0;
+                       serv_puts((char *)buf);
+                       output_len = 0;
+               }
+       }
+
+       /* end of data - transmit anything that's left */
+       if (output_len > 0) {
+               if (isspace(buf[output_len-1])) {
+                       sprintf((char *)&buf[output_len-1], "=%02X", buf[output_len-1]);
+                       output_len += 2;
+               }
+               buf[output_len++] = 0;
+               serv_puts((char *)buf);
+               output_len = 0;
+       }
 }
 
 
 
-/*
- * translate server message output to text
+
+/**
+ *  translate server message output to text
  * (used for editing room info files and such)
  */
 void server_to_text()
@@ -249,71 +431,192 @@ void server_to_text()
 
 
 
-/*
+/**
  * Read binary data from server into memory using a series of
  * server READ commands.
+ * \return the read content as StrBuf
  */
-void read_server_binary(char *buffer, size_t total_len) {
+int read_server_binary(StrBuf *Ret, size_t total_len) 
+{
        char buf[SIZ];
        size_t bytes = 0;
        size_t thisblock = 0;
+       StrBuf *Buf;
+       
+       Buf = NewStrBuf();
+       if (Ret == NULL)
+           return -1;
 
-       memset(buffer, 0, total_len);
        while (bytes < total_len) {
                thisblock = 4095;
                if ((total_len - bytes) < thisblock) {
                        thisblock = total_len - bytes;
-                       if (thisblock == 0) return;
+                       if (thisblock == 0) {
+                               FlushStrBuf(Ret); 
+                               FreeStrBuf(&Buf);
+                               return -1; 
+                       }
                }
                serv_printf("READ %d|%d", (int)bytes, (int)thisblock);
-               serv_getln(buf, sizeof buf);
-               if (buf[0] == '6') {
-                       thisblock = (size_t)atoi(&buf[4]);
-                       if (!WC->connected) return;
-                       serv_read(&buffer[bytes], thisblock);
-                       bytes += thisblock;
-               }
-               else {
-                       lprintf(3, "Error: %s\n", &buf[4]);
-                       return;
+               if (StrBuf_ServGetln(Buf) > 0)
+               {
+                       if (GetServerStatus(Buf, NULL) == 6)
+                       {
+                           StrBufCutLeft(Buf, 4); /*/ TODO : thisblock = (size_t)atoi(&buf[4]); */
+                           thisblock = StrTol(Buf);
+                           if (!WC->connected) {
+                                   FlushStrBuf(Ret); 
+                                   FreeStrBuf(&Buf); 
+                                   return -1; 
+                           }
+                           StrBuf_ServGetBLOB(Ret, thisblock);
+                           bytes += thisblock;
+                   }
+                   else {
+                           FreeStrBuf(&Buf);
+                           lprintf(3, "Error: %s\n", &buf[4]);
+                           return -1;
+                   }
                }
        }
+       FreeStrBuf(&Buf);
+       return StrLength(Ret);
 }
 
 
-/*
- * Read text from server, appending to a string buffer until the
+/**
+ *  Read text from server, appending to a string buffer until the
  * usual 000 terminator is found.  Caller is responsible for freeing
  * the returned pointer.
  */
-char *read_server_text(void) {
-       char *text = NULL;
-       size_t bytes_allocated = 0;
-       size_t bytes_read = 0;
-       int linelen;
-       char buf[SIZ];
-
-       text = malloc(SIZ);
-       if (text == NULL) {
-               return(NULL);
+int read_server_text(StrBuf *Buf, long *nLines)
+{
+       wcsession *WCC = WC;
+       long nRead;
+       long nTotal = 0;
+       long nlines;
+       
+       nlines = 0;
+       while ((WCC->serv_sock!=-1) &&
+              (nRead = StrBuf_ServGetln(Buf), (nRead >= 0) ))
+       {
+               if (strcmp(ChrPtr(Buf) + nTotal, "000") != 0) {
+                       StrBufCutRight(Buf, nRead);
+                       break;
+               }
+               nTotal += nRead;
+               nlines ++;
        }
-       text[0] = 0;
-       bytes_allocated = SIZ;
 
-       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
-               linelen = strlen(buf);
-               buf[linelen] = '\n';
-               buf[linelen+1] = 0;
-               ++linelen;
-
-               if ((bytes_read + linelen) >= (bytes_allocated - 2)) {
-                       bytes_allocated = 2 * bytes_allocated;
-                       text = realloc(text, bytes_allocated);
-               }
+       *nLines = nlines;
+       return nTotal;
+}
+
+
+
+
 
-               strcpy(&text[bytes_read], buf);
-               bytes_read += linelen;
+
+int GetServerStatus(StrBuf *Line, long* FullState)
+{
+       if (FullState != NULL)
+               *FullState = StrTol(Line);
+       return ChrPtr(Line)[0] - 48;
+}
+
+
+void tmplput_serv_ip(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendPrintf(Target, "%d", WC->ctdl_pid);
+}
+
+void tmplput_serv_nodename(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendTemplate(Target, TP, WC->serv_info->serv_nodename, 0);
+}
+
+void tmplput_serv_humannode(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendTemplate(Target, TP, WC->serv_info->serv_humannode, 0);
+}
+
+void tmplput_serv_fqdn(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendTemplate(Target, TP, WC->serv_info->serv_fqdn, 0);
+}
+
+void tmplput_serv_software(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendTemplate(Target, TP, WC->serv_info->serv_software, 0);
+}
+
+void tmplput_serv_rev_level(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendPrintf(Target, "%d.%02d",
+                           WC->serv_info->serv_rev_level / 100,
+                           WC->serv_info->serv_rev_level % 100);
+}
+int conditional_serv_newuser_disabled(StrBuf *Target, WCTemplputParams *TP)
+{
+       return WC->serv_info->serv_newuser_disabled != 0;
+}
+int conditional_serv_supports_openid(StrBuf *Target, WCTemplputParams *TP)
+{
+       return WC->serv_info->serv_supports_openid != 0;
+}
+
+void tmplput_serv_bbs_city(StrBuf *Target, WCTemplputParams *TP)
+{
+       StrBufAppendTemplate(Target, TP, WC->serv_info->serv_bbs_city, 0);
+}
+
+
+void tmplput_mesg(StrBuf *Target, WCTemplputParams *TP)
+{
+       int n = 0;
+       int Done = 0;
+       StrBuf *Line;
+       StrBuf *Buf;
+
+       Buf = NewStrBuf();
+       Line = NewStrBuf();
+       serv_printf("MESG %s", TP->Tokens->Params[0]->Start);
+       StrBuf_ServGetln(Line);
+       while (!Done &&  (StrBuf_ServGetln(Line)>=0)) {
+               if ( (StrLength(Line)==3) && 
+                   !strcmp(ChrPtr(Line), "000")) 
+                       Done = 1;
+               else
+               {
+                       if (n > 0)
+                               StrBufAppendBufPlain(Buf, "\n", 1, 0);
+                       StrBufAppendBuf(Buf, Line, 0);
+               }
+               n++;
        }
+       FlushStrBuf(Line);
+       FmOut(Line, "center", Buf);
+       StrBufAppendTemplate(Target, TP, Line, 1);
+       FreeStrBuf(&Buf);
+       FreeStrBuf(&Line);
+}
 
-       return(text);
+void 
+InitModule_SERVFUNC
+(void)
+{
+
+       RegisterConditional(HKEY("COND:SERV:OPENID"), 2, conditional_serv_supports_openid, CTX_NONE);
+       RegisterConditional(HKEY("COND:SERV:NEWU"), 2, conditional_serv_newuser_disabled, CTX_NONE);
+       RegisterNamespace("SERV:PID", 0, 0, tmplput_serv_ip, CTX_NONE);
+       RegisterNamespace("SERV:NODENAME", 0, 1, tmplput_serv_nodename, CTX_NONE);
+       RegisterNamespace("SERV:HUMANNODE", 0, 1, tmplput_serv_humannode, CTX_NONE);
+       RegisterNamespace("SERV:FQDN", 0, 1, tmplput_serv_fqdn, CTX_NONE);
+       RegisterNamespace("SERV:SOFTWARE", 0, 1, tmplput_serv_software, CTX_NONE);
+       RegisterNamespace("SERV:REV_LEVEL", 0, 0, tmplput_serv_rev_level, CTX_NONE);
+       RegisterNamespace("SERV:BBS_CITY", 0, 1, tmplput_serv_bbs_city, CTX_NONE);
+       RegisterNamespace("SERV:MESG", 1, 2, tmplput_mesg, CTX_NONE);
+/*TODO //      RegisterNamespace("SERV:LDAP_SUPP", 0, 0, tmplput_serv_ldap_enabled, 0); */
 }
+
+/*@}*/