* migrate the WHO struct to strbuf
[citadel.git] / webcit / serv_func.c
index 03c8bbee848d5ea00b0ebfa631f70aad573efc31..bce6cd5cac9af77dff927ea331808a7d5198c4e2 100644 (file)
-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include "webcit.h"
+/*
+ * $Id$
+ */
 
-struct serv_info serv_info;
+#include "webcit.h"
+#include "webserver.h"
 
+struct serv_info serv_info; /**< our connection data to the server */
+HashList *ServHash = NULL;//// TODO;
 /*
  * 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 buf[256];
+void get_serv_info(char *browser_host, char *user_agent)
+{
+       char buf[SIZ];
        int a;
 
+       /** Tell the server what kind of client is connecting */
        serv_printf("IDEN %d|%d|%d|%s|%s",
                DEVELOPER_ID,
                CLIENT_ID,
                CLIENT_VERSION,
-               SERVER,
-               ""              /* FIX find out where the user is */
-               );
-       serv_gets(buf);
+               user_agent,
+               browser_host
+       );
+       serv_getln(buf, sizeof buf);
+
+       /** Tell the server what kind of richtext we prefer */
+       serv_puts("MSGP text/html|text/plain");
+       serv_getln(buf, sizeof buf);
 
+       /*
+        * 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);
+
+       /** Now ask the server to tell us a little bit about itself... */
        serv_puts("INFO");
-       serv_gets(buf);
-       if (buf[0]!='1') return;
+       serv_getln(buf, sizeof buf);
+       if (buf[0] != '1')
+               return;
 
        a = 0;
-       while(serv_gets(buf), strcmp(buf,"000")) {
-           switch(a) {
-               case 0:         serv_info.serv_pid = atoi(buf);
-                               break;
-               case 1:         strcpy(serv_info.serv_nodename,buf);
-                               break;
-               case 2:         strcpy(serv_info.serv_humannode,buf);
-                               break;
-               case 3:         strcpy(serv_info.serv_fqdn,buf);
-                               break;
-               case 4:         strcpy(serv_info.serv_software,buf);
-                               break;
-               case 5:         serv_info.serv_rev_level = atoi(buf);
-                               break;
-               case 6:         strcpy(serv_info.serv_bbs_city,buf);
-                               break;
-               case 7:         strcpy(serv_info.serv_sysadm,buf);
-                               break;
-               case 9:         strcpy(serv_info.serv_moreprompt,buf);
-                               break;
-               }
-           ++a;
-           }
+       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+               switch (a) {
+               case 0:
+                       serv_info.serv_pid = atoi(buf);
+                       WC->ctdl_pid = serv_info.serv_pid;
+                       break;
+               case 1:
+                       safestrncpy(serv_info.serv_nodename, buf, sizeof serv_info.serv_nodename);
+                       break;
+               case 2:
+                       safestrncpy(serv_info.serv_humannode, buf, sizeof serv_info.serv_humannode);
+                       break;
+               case 3:
+                       safestrncpy(serv_info.serv_fqdn, buf, sizeof serv_info.serv_fqdn);
+                       break;
+               case 4:
+                       safestrncpy(serv_info.serv_software, buf, sizeof serv_info.serv_software);
+                       break;
+               case 5:
+                       serv_info.serv_rev_level = atoi(buf);
+                       break;
+               case 6:
+                       safestrncpy(serv_info.serv_bbs_city, buf, sizeof serv_info.serv_bbs_city);
+                       break;
+               case 7:
+                       safestrncpy(serv_info.serv_sysadm, buf, sizeof serv_info.serv_sysadm);
+                       break;
+               case 9:
+                       safestrncpy(serv_info.serv_moreprompt, buf, sizeof serv_info.serv_moreprompt);
+                       break;
+               case 14:
+                       serv_info.serv_supports_ldap = atoi(buf);
+                       break;
+               case 15:
+                       serv_info.serv_newuser_disabled = atoi(buf);
+                       break;
+               case 16:
+                       safestrncpy(serv_info.serv_default_cal_zone, buf, sizeof serv_info.serv_default_cal_zone);
+                       break;
+               case 20:
+                       serv_info.serv_supports_sieve = atoi(buf);
+                       break;
+               case 21:
+                       serv_info.serv_fulltext_enabled = atoi(buf);
+                       break;
+               case 22:
+                       safestrncpy(serv_info.serv_svn_revision, buf, sizeof serv_info.serv_svn_revision);
+                       break;
+               case 23:
+                       serv_info.serv_supports_openid = atoi(buf);
+                       break;
+               }
+               ++a;
+       }
+}
+
+
+
+/**
+ * \brief Read Citadel variformat text and spit it out as HTML.
+ * \param align html align string
+ */
+inline void fmout(char *align)
+{
+       _fmout(WC->WBuf, align);
+}
+
+void _fmout(StrBuf *Target, char *align)
+{
+       int intext = 0;
+       int bq = 0;
+       char buf[SIZ];
+
+       StrBufAppendPrintf(Target, "<div align=%s>\n", align);
+       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+
+               if ((intext == 1) && (isspace(buf[0]))) {
+                       wprintf("<br />");
+               }
+               intext = 1;
+
+               /**
+                * 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))) {
+                       StrBufAppendBufPlain(Target, HKEY("<BLOCKQUOTE>"), 0);
+                       bq = 1;
+               } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
+                       StrBufAppendBufPlain(Target, HKEY("</BLOCKQUOTE>"), 0);
+                       bq = 0;
+               }
+               if ((bq == 1) && (!strncmp(buf, " >", 2))) {
+                       strcpy(buf, &buf[2]);
+               }
+               /** Activate embedded URL's */
+               url(buf, sizeof(buf));
+
+               escputs(buf);//// TODO: Target
+               StrBufAppendBufPlain(Target, HKEY("\n"), 0);
+       }
+       if (bq == 1) {
+               wprintf("</I>");
+       }
+       wprintf("</div><br />\n");
+}
+
+
+
+
+/**
+ * \brief 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!)
+ */
+void pullquote_fmout(void) {
+       int intext = 0;
+       int bq = 0;
+       char buf[SIZ];
+
+       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+
+               if ((intext == 1) && (isspace(buf[0]))) {
+                       wprintf("<br />");
+               }
+               intext = 1;
+
+               /**
+                * 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>");
+                       bq = 1;
+               } else if ((bq == 1) && (strncmp(buf, " >", 2))) {
+                       wprintf("</BLOCKQUOTE>");
+                       bq = 0;
+               }
+               if ((bq == 1) && (!strncmp(buf, " >", 2))) {
+                       strcpy(buf, &buf[2]);
+               }
+
+               msgescputs(buf);
+       }
+       if (bq == 1) {
+               wprintf("</I>");
+       }
+}
+
+
+
+
+/**
+ * \brief Transmit message text (in memory) to the server.
+ *
+ * \param ptr Pointer to the message being transmitted
+ */
+void text_to_server(char *ptr)
+{
+       char buf[256];
+       int ch, a, pos, len;
+
+       pos = 0;
+       buf[0] = 0;
+
+       while (ptr[pos] != 0) {
+               ch = ptr[pos++];
+               if (ch == 10) {
+                       len = strlen(buf);
+                       while ( (isspace(buf[len - 1]))
+                               && (buf[0] !=  '\0') 
+                               && (buf[1] !=  '\0') )
+                               buf[--len] = 0;
+                       serv_puts(buf);
+                       buf[0] = 0;
+                       if (ptr[pos] != 0) strcat(buf, " ");
+               } else {
+                       a = strlen(buf);
+                       buf[a + 1] = 0;
+                       buf[a] = ch;
+                       if ((ch == 32) && (strlen(buf) > 200)) {
+                               buf[a] = 0;
+                               serv_puts(buf);
+                               buf[0] = 0;
+                       }
+                       if (strlen(buf) > 250) {
+                               serv_puts(buf);
+                               buf[0] = 0;
+                       }
+               }
+       }
+       serv_puts(buf);
+}
+
+
+/**
+ * \brief Transmit message text (in memory) to the server,
+ *        converting to Quoted-Printable encoding as we go.
+ *
+ * \param 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;
+       }
+}
+
+
+
+
+/**
+ * \brief translate server message output to text
+ * (used for editing room info files and such)
+ */
+void server_to_text()
+{
+       char buf[SIZ];
+
+       int count = 0;
+
+       while (serv_getln(buf, sizeof buf), strcmp(buf, "000")) {
+               if ((buf[0] == 32) && (count > 0)) {
+                       wprintf("\n");
+               }
+               wprintf("%s", buf);
+               ++count;
+       }
+}
+
+
+
+/**
+ * Read binary data from server into memory using a series of
+ * server READ commands.
+ * \return the read content as StrBuf
+ */
+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;
+
+       while (bytes < total_len) {
+               thisblock = 4095;
+               if ((total_len - bytes) < thisblock) {
+                       thisblock = total_len - bytes;
+                       if (thisblock == 0) {
+                               FlushStrBuf(Ret); 
+                               FreeStrBuf(&Buf);
+                               return -1; 
+                       }
+               }
+               serv_printf("READ %d|%d", (int)bytes, (int)thisblock);
+               if (StrBuf_ServGetln(Buf) > 0)
+               {
+                   if (ChrPtr(Buf)[0] == '6')
+                   {
+                           StrBufCutLeft(Buf, 4); //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);
+}
+
+
+/**
+ * \brief Read text from server, appending to a string buffer until the
+ * usual 000 terminator is found.  Caller is responsible for freeing
+ * the returned pointer.
+ */
+int read_server_text(StrBuf *Buf, long *nLines)
+{
+       struct 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 ++;
+       }
+
+       *nLines = nlines;
+       return nTotal;
+}
+
+
 
+/*@}*/