+++ /dev/null
-//
-// Message base functions
-//
-// Copyright (c) 1996-2022 by the citadel.org team
-//
-// This program is open source software. It runs great on the
-// Linux operating system (and probably elsewhere). You can use,
-// copy, and run it under the terms of the GNU General Public
-// License version 3.
-//
-// 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 "webcit.h"
-
-
-// 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.
-long locate_message_by_uid(struct ctdlsession *c, char *uid) {
- char buf[1024];
-
- ctdl_printf(c, "EUID %s", uid);
- ctdl_readline(c, buf, sizeof buf);
- if (buf[0] == '2') {
- return (atol(&buf[4]));
-
- }
-
- // Ugly hack to handle Mozilla Thunderbird, try stripping ".ics" if present
- if (!strcasecmp(&uid[strlen(uid) - 4], ".ics")) {
- safestrncpy(buf, uid, sizeof buf);
- buf[strlen(buf) - 4] = 0;
- ctdl_printf(c, "EUID %s", buf);
- ctdl_readline(c, buf, sizeof buf);
- if (buf[0] == '2') {
- return (atol(&buf[4]));
-
- }
- }
-
- return (-1);
-}
-
-
-// DAV delete an object in a room.
-void dav_delete_message(struct http_transaction *h, struct ctdlsession *c, long msgnum) {
- ctdl_delete_msgs(c, &msgnum, 1);
- h->response_code = 204;
- h->response_string = strdup("no content");
-}
-
-
-// GET method directly on a message in a room
-void dav_get_message(struct http_transaction *h, struct ctdlsession *c, long msgnum) {
- char buf[1024];
- int in_body = 0;
- int encoding = 0;
- StrBuf *Body = NULL;
-
- ctdl_printf(c, "MSG2 %ld", msgnum);
- ctdl_readline(c, buf, sizeof buf);
- if (buf[0] != '1') {
- do_404(h);
- return;
- }
-
- char *etag = malloc(20);
- if (etag != NULL) {
- sprintf(etag, "%ld", msgnum);
- add_response_header(h, strdup("ETag"), etag); // http_transaction now owns this memory
- }
-
- while (ctdl_readline(c, buf, sizeof buf), strcmp(buf, "000")) {
- if (IsEmptyStr(buf) && (in_body == 0)) {
- in_body = 1;
- Body = NewStrBuf();
- }
- else if (in_body == 0) {
- char *k = buf;
- char *v = strchr(buf, ':');
- if (v) {
- *v = 0;
- ++v;
- striplt(v); // we now have a key (k) and a value (v)
- if ((!strcasecmp(k, "content-type")) // fields which can be passed from RFC822 to HTTP as-is
- || (!strcasecmp(k, "date"))
- ) {
- add_response_header(h, strdup(k), strdup(v));
- }
- else if (!strcasecmp(k, "content-transfer-encoding")) {
- if (!strcasecmp(v, "base64")) {
- encoding = 'b';
- }
- else if (!strcasecmp(v, "quoted-printable")) {
- encoding = 'q';
- }
- }
- }
- }
- else if ((in_body == 1) && (Body != NULL)) {
- StrBufAppendPrintf(Body, "%s\n", buf);
- }
- }
-
- h->response_code = 200;
- h->response_string = strdup("OK");
-
- if (Body != NULL) {
- if (encoding == 'q') {
- h->response_body = malloc(StrLength(Body));
- if (h->response_body != NULL) {
- h->response_body_length =
- CtdlDecodeQuotedPrintable(h->response_body, (char *) ChrPtr(Body), StrLength(Body));
- }
- FreeStrBuf(&Body);
- }
- else if (encoding == 'b') {
- h->response_body = malloc(StrLength(Body));
- if (h->response_body != NULL) {
- h->response_body_length = CtdlDecodeBase64(h->response_body, ChrPtr(Body), StrLength(Body));
- }
- FreeStrBuf(&Body);
- }
- else {
- h->response_body_length = StrLength(Body);
- h->response_body = SmashStrBuf(&Body);
- }
- }
-}
-
-
-// PUT a message into a room
-void dav_put_message(struct http_transaction *h, struct ctdlsession *c, char *euid, long old_msgnum) {
- char buf[1024];
- char *content_type = NULL;
- int n;
- long new_msgnum;
- char new_euid[1024];
- char response_string[1024];
-
- if ((h->request_body == NULL) || (h->request_body_length < 1)) {
- do_404(h); // Refuse to post a null message
- return;
- }
-
- char *wefw = get_url_param(h, "wefw"); // references
- if (!wefw) wefw = "";
- char *subj = get_url_param(h, "subj"); // subject
- if (!subj) subj = "";
-
- // Mode 4 will give us metadata back after upload
- ctdl_printf(c, "ENT0 1|||4|%s||1|||||%s|", subj, wefw);
- ctdl_readline(c, buf, sizeof buf);
- if (buf[0] != '8') {
- h->response_code = 502;
- h->response_string = strdup("bad gateway");
- add_response_header(h, strdup("Content-type"), strdup("text/plain"));
- h->response_body = strdup(buf);
- h->response_body_length = strlen(h->response_body);
- return;
- }
-
- // Remember, ctdl_printf() appends \n on its own, so when adding a CRLF newline, only use \r
- // Or for a blank line, use ctdl_write() with \r\n
-
- content_type = header_val(h, "Content-type");
- ctdl_printf(c, "Content-type: %s\r", (content_type ? content_type : "application/octet-stream"));
- ctdl_write(c, HKEY("\r\n"));
- ctdl_write(c, h->request_body, h->request_body_length);
- if (h->request_body[h->request_body_length] != '\n') {
- ctdl_write(c, HKEY("\r\n"));
- }
- ctdl_printf(c, "000");
-
- // Now handle the response from the Citadel server.
-
- n = 0;
- new_msgnum = 0;
- strcpy(new_euid, "");
- strcpy(response_string, "");
-
- while (ctdl_readline(c, buf, sizeof buf), strcmp(buf, "000"))
- switch (n++) {
- case 0:
- new_msgnum = atol(buf);
- break;
- case 1:
- safestrncpy(response_string, buf, sizeof response_string);
- syslog(LOG_DEBUG, "new_msgnum=%ld (%s)\n", new_msgnum, buf);
- break;
- case 2:
- safestrncpy(new_euid, buf, sizeof new_euid);
- break;
- default:
- break;
- }
-
- // Tell the client what happened.
-
- // Citadel failed in some way?
- char *new_location = malloc(1024);
- if ((new_msgnum < 0L) || (new_location == NULL)) {
- h->response_code = 502;
- h->response_string = strdup("bad gateway");
- add_response_header(h, strdup("Content-type"), strdup("text/plain"));
- h->response_body = strdup(response_string);
- h->response_body_length = strlen(h->response_body);
- return;
- }
-
- char *etag = malloc(20);
- if (etag != NULL) {
- sprintf(etag, "%ld", new_msgnum);
- add_response_header(h, strdup("ETag"), etag); // http_transaction now owns this memory
- }
-
- char esc_room[1024];
- char esc_euid[1024];
- urlesc(esc_room, sizeof esc_room, c->room);
- urlesc(esc_euid, sizeof esc_euid, new_euid);
- snprintf(new_location, 1024, "/ctdl/r/%s/%s", esc_room, esc_euid);
- add_response_header(h, strdup("Location"), new_location); // http_transaction now owns this memory
-
- if (old_msgnum <= 0) {
- h->response_code = 201; // We created this item for the first time.
- h->response_string = strdup("created");
- }
- else {
- h->response_code = 204; // We modified an existing item.
- h->response_string = strdup("no content");
-
- // The item we replaced has probably already been deleted by
- // the Citadel server, but we'll do this anyway, just in case.
- ctdl_delete_msgs(c, &old_msgnum, 1);
- }
-
-}
-
-
-// Download a single component of a MIME-encoded message
-void download_mime_component(struct http_transaction *h, struct ctdlsession *c, long msgnum, char *partnum) {
- char buf[1024];
- char content_type[1024];
-
- ctdl_printf(c, "DLAT %ld|%s", msgnum, partnum);
- ctdl_readline(c, buf, sizeof buf);
- if (buf[0] != '6') {
- do_404(h); // too bad, so sad, go away
- }
- // Server response is going to be: 6XX length|-1|filename|content-type|charset
- h->response_body_length = extract_int(&buf[4], 0);
- extract_token(content_type, buf, 3, '|', sizeof content_type);
-
- h->response_body = malloc(h->response_body_length + 1);
- int bytes = 0;
- int thisblock;
- do {
- thisblock = read(c->sock, &h->response_body[bytes], (h->response_body_length - bytes));
- bytes += thisblock;
- syslog(LOG_DEBUG, "Bytes read: %d of %d", (int) bytes, (int) h->response_body_length);
- } while ((bytes < h->response_body_length) && (thisblock >= 0));
- h->response_body[h->response_body_length] = 0; // null terminate it just for good measure
- syslog(LOG_DEBUG, "content type: %s", content_type);
-
- add_response_header(h, strdup("Content-type"), strdup(content_type));
- h->response_code = 200;
- h->response_string = strdup("OK");
-}
projects / citadel.git / blobdiff