]> code.citadel.org Git - citadel.git/blobdiff - webcit/groupdav_main.c
* Moved to the new string tokenizer API
[citadel.git] / webcit / groupdav_main.c
index 1473d55196d06422105879422b5e67ea4a8da2d1..21ef55bd87762f9e8ac5eb8fe60ece6d1014d4ea 100644 (file)
 
 /*
  * Output HTTP headers which are common to all requests.
+ *
+ * Please observe that we don't use the usual output_headers()
+ * and wDumpContent() functions in the GroupDAV subsystem, so we
+ * do our own header stuff here.
+ *
  */
 void groupdav_common_headers(void) {
        wprintf(
-               "Server: %s / %s\n"
-               "Connection: close\n",
+               "Server: %s / %s\r\n"
+               "Connection: close\r\n",
                SERVER, serv_info.serv_software
        );
 }
 
 
+
 /*
- * Main entry point for GroupDAV requests
+ * string conversion function
  */
-void groupdav_main(struct httprequest *req) {
+void euid_escapize(char *target, char *source) {
+       int i;
+       int target_length = 0;
+
+       strcpy(target, "");
+       for (i=0; i<strlen(source); ++i) {
+               if (isalnum(source[i])) {
+                       target[target_length] = source[i];
+                       target[++target_length] = 0;
+               }
+               else if (source[i] == ' ') {
+                       target[target_length] = '_';
+                       target[++target_length] = 0;
+               }
+               else if (source[i] == '-') {
+                       target[target_length] = '-';
+                       target[++target_length] = 0;
+               }
+               else {
+                       sprintf(&target[target_length], "$%02X", source[i]);
+                       target_length += 3;
+               }
+       }
+}
 
+/*
+ * string conversion function
+ */
+void euid_unescapize(char *target, char *source) {
+       int a, b;
+       char hex[3];
+       int target_length = 0;
+
+       strcpy(target, "");
+
+       for (a = 0; a < strlen(source); ++a) {
+               if (source[a] == '$') {
+                       hex[0] = source[a + 1];
+                       hex[1] = source[a + 2];
+                       hex[2] = 0;
+                       b = 0;
+                       sscanf(hex, "%02x", &b);
+                       target[target_length] = b;
+                       target[++target_length] = 0;
+                       a += 2;
+               }
+               else if (source[a] == '_') {
+                       target[target_length] = ' ';
+                       target[++target_length] = 0;
+               }
+               else if (source[a] == '-') {
+                       target[target_length] = '-';
+                       target[++target_length] = 0;
+               }
+               else {
+                       target[target_length] = source[a];
+                       target[++target_length] = 0;
+               }
+       }
+}
+
+
+
+
+/*
+ * Main entry point for GroupDAV requests
+ */
+void groupdav_main(struct httprequest *req,
+                       char *dav_content_type,
+                       int dav_content_length,
+                       char *dav_content
+) {
        struct httprequest *rptr;
        char dav_method[SIZ];
        char dav_pathname[SIZ];
        char dav_ifmatch[SIZ];
+       int i;
 
        strcpy(dav_method, "");
        strcpy(dav_pathname, "");
        strcpy(dav_ifmatch, "");
 
        for (rptr=req; rptr!=NULL; rptr=rptr->next) {
-               lprintf(9, "> %s\n", rptr->line);       /* FIXME we can eventually remove this trace */
+               /* lprintf(9, "< %s\n", rptr->line); */
                if (!strncasecmp(rptr->line, "Host: ", 6)) {
-                        safestrncpy(WC->http_host, &rptr->line[6], sizeof WC->http_host);
+                        safestrncpy(WC->http_host, &rptr->line[6],
+                               sizeof WC->http_host);
                 }
                if (!strncasecmp(rptr->line, "If-Match: ", 10)) {
-                        safestrncpy(dav_ifmatch, &rptr->line[10], sizeof dav_ifmatch);
+                        safestrncpy(dav_ifmatch, &rptr->line[10],
+                               sizeof dav_ifmatch);
                 }
-
        }
 
        if (!WC->logged_in) {
-               wprintf("HTTP/1.1 401 Unauthorized\n");
+               wprintf("HTTP/1.1 401 Unauthorized\r\n");
                groupdav_common_headers();
-               wprintf("WWW-Authenticate: Basic realm=\"%s\"\n", serv_info.serv_humannode);
-               wprintf("Content-Type: text/plain\n");
-               wprintf("\n");
-               wprintf("GroupDAV sessions require HTTP authentication.\n");
+               wprintf("WWW-Authenticate: Basic realm=\"%s\"\r\n",
+                       serv_info.serv_humannode);
+               wprintf("Content-Length: 0\r\n\r\n");
                return;
        }
 
-       extract_token(dav_method, req->line, 0, ' ');
-       extract_token(dav_pathname, req->line, 1, ' ');
+       extract_token(dav_method, req->line, 0, ' ', sizeof dav_method);
+       extract_token(dav_pathname, req->line, 1, ' ', sizeof dav_pathname);
        unescape_input(dav_pathname);
 
        /*
@@ -82,10 +159,13 @@ void groupdav_main(struct httprequest *req) {
         * then if all that's left is an asterisk, make it go away entirely.
         */
        if (strlen(dav_ifmatch) > 0) {
+               striplt(dav_ifmatch);
                if (dav_ifmatch[0] == '\"') {
                        strcpy(dav_ifmatch, &dav_ifmatch[1]);
-                       if (strtok(dav_ifmatch, "\"") != NULL) {
-                               strcpy(strtok(dav_ifmatch, "\""), "");
+                       for (i=0; i<strlen(dav_ifmatch); ++i) {
+                               if (dav_ifmatch[i] == '\"') {
+                                       dav_ifmatch[i] = 0;
+                               }
                        }
                }
                if (!strcmp(dav_ifmatch, "*")) {
@@ -94,7 +174,8 @@ void groupdav_main(struct httprequest *req) {
        }
 
        /*
-        * The PROPFIND method is basically used to list all objects in a room.
+        * The PROPFIND method is basically used to list all objects in a
+        * room, or to list all relevant rooms on the server.
         */
        if (!strcasecmp(dav_method, "PROPFIND")) {
                groupdav_propfind(dav_pathname);
@@ -102,13 +183,22 @@ void groupdav_main(struct httprequest *req) {
        }
 
        /*
-        * We like the GET method ... it's nice and simple.
+        * The GET method is used for fetching individual items.
         */
        if (!strcasecmp(dav_method, "GET")) {
                groupdav_get(dav_pathname);
                return;
        }
 
+       /*
+        * The PUT method is used to add or modify items.
+        */
+       if (!strcasecmp(dav_method, "PUT")) {
+               groupdav_put(dav_pathname, dav_ifmatch,
+                               dav_content_type, dav_content);
+               return;
+       }
+
        /*
         * The DELETE method kills, maims, and destroys.
         */
@@ -120,11 +210,11 @@ void groupdav_main(struct httprequest *req) {
        /*
         * Couldn't find what we were looking for.  Die in a car fire.
         */
-       wprintf("HTTP/1.1 501 Method not implemented\n");
+       wprintf("HTTP/1.1 501 Method not implemented\r\n");
        groupdav_common_headers();
-       wprintf("Content-Type: text/plain\n"
-               "\n"
-               "GroupDAV method \"%s\" is not implemented.\n",
+       wprintf("Content-Type: text/plain\r\n"
+               "\r\n"
+               "GroupDAV method \"%s\" is not implemented.\r\n",
                dav_method
        );
 }