void
http_response_send_bigfile
(HttpResponse *res, char *filename, char *content)
/* ! basic, just read and copy file bit/bit */
{
http_response_set_content_type(res, content);
http_response_send_headers(res);
unsigned char *data;
FILE *fp=fopen(filename,"rb");
/* get file size and alloc memory */
fseek (fp , 0 , SEEK_END);
unsigned long datasize = ftell(fp);
rewind (fp);
if (!(data = (unsigned char*)malloc(datasize)))
exit(-1);
/* copy */
while ( datasize-- )
fputc(fgetc(fp),stdout);
fclose(fp);
}
void
http_response_send_smallfile
(HttpResponse *res, char *filename, char *content, unsigned long sizelimit)
/* ! file loaded in mem */
{
unsigned char *data;
FILE *fp=fopen(filename,"rb");
/* get file size and alloc memory */
fseek (fp , 0 , SEEK_END);
unsigned long datasize = ftell(fp);
if (datasize > sizelimit)
exit(-1);
rewind (fp);
if (!(data = (unsigned char*)malloc(datasize)))
exit(-1);
/* load the file */
if (!fread(data, datasize, 1, fp))
exit(-1);
http_response_set_content_type(res, content);
http_response_set_data(res, data, datasize);
http_response_send(res);
fclose(fp);
}
void wiki_show_changes_page_rss(HttpResponse *res)
{
WikiPageList **pages = NULL;
int n_pages, i;
pages = wiki_get_pages(&n_pages, NULL);
http_response_set_content_type(res, "application/xhtml+xml");
http_response_printf(res, "<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n"
"<rss version=\"2.0\">\n"
"<channel><title>DidiWiki Changes feed</title>\n");
for (i = 0; i < n_pages; i++) {
struct tm *pTm;
char datebuf[64];
pTm = localtime(&pages[i]->mtime);
strftime(datebuf, sizeof(datebuf), "%Y-%m-%d %H:%M", pTm);
http_response_printf(res,
"<item><title>%s</title>"
"<link>%s%s</link><description>"
"Modified %s\n",
pages[i]->name,
getenv("PORTABLEWIKI_URL_PREFIX") ? getenv("PORTABLEWIKI_URL_PREFIX") : "",
pages[i]->name,
datebuf);
http_response_printf(res, "</description></item>\n");
}
http_response_printf(res, "</channel>\n</rss>");
http_response_send(res);
exit(0);
}
void wiki_show_changes_page(HttpResponse *res)
{
WikiPageList **pages = NULL;
int n_pages, i, j, m, lg;
char spacing[24];
char *difflink;
int *table, *done; //alloc mem with n_pages
char *str_ptr;
// wiki_show_header(res, "Changes", FALSE);
pages = wiki_get_pages(&n_pages, NULL);
table = malloc((1 + n_pages) * sizeof(int));
done = malloc((1 + n_pages) * sizeof(int));
http_response_set_content_type(res, "text/html");
/* regroup file and previous file */
for (i = 0; i < n_pages + 1; i++) {
done[i] = 0;
table[i] = 0;
}
m = 0;
for (i = 0; i < n_pages; i++)
if (!done[i] && !strstr(pages[i]->name, ".prev.1")) {
for (j = 0; j < n_pages; j++)
if (!done[j]
&& (str_ptr = strstr(pages[j]->name, pages[i]->name))
&& !strcmp(str_ptr + strlen(pages[i]->name), ".prev.1")) {
table[m++] = i;
table[m++] = j;
done[i] = 1;
done[j] = 1;
break;
}
}
/* complete with new files */
for (i = 0; i < n_pages; i++)
if (!done[i]) table[m++] = i;
for (j = 0; j < m; j++) {
struct tm *pTm;
char datebuf[64];
i = table[j];
if (strstr(pages[i]->name, ".prev.1")) {
strcpy(spacing, " ");
lg = asprintf(&difflink,
"<a href='/#/Diff/%s'>diff</a>\n"
"<a href='/#/Comp/%s'>comp</a>\n",
pages[i]->name, pages[i]->name);
} else {
*spacing = '\0';
difflink = strdup("\0");
}
pTm = localtime(&pages[i]->mtime);
strftime(datebuf, sizeof(datebuf), "%Y-%m-%d %H:%M", pTm);
http_response_printf(res, "%s<a href=/#/View/%s>%s</a> %s %s<br />\n",
spacing,
pages[i]->name,
pages[i]->name,
datebuf,
difflink);
}
http_response_printf(res, "<p>Wiki changes are also available as a "
"<a href='/rss'>RSS</a> feed.\n");
// wiki_show_footer(res);
http_response_send(res);
free(table);
free(done);
exit(0);
}
void
wiki_handle_http_request(HttpRequest *req)
{
HttpResponse *res = http_response_new(req);
char *page = http_request_get_path_info(req);
char *command = http_request_get_query_string(req);
char *wikitext = "";
util_dehttpize(page); /* remove any encoding on the requested
page name. */
if (!strcmp(page, "/"))
{
if (access("WikiHome", R_OK) != 0)
wiki_redirect(res, "/WikiHome?create");
page = "/WikiHome";
}
if (!strcmp(page, "/styles.css"))
{
/* Return CSS page */
http_response_set_content_type(res, "text/css");
http_response_printf(res, "%s", CssData);
http_response_send(res);
exit(0);
}
if (!strcmp(page, "/favicon.ico"))
{
/* Return favicon */
http_response_set_content_type(res, "image/ico");
http_response_set_data(res, FaviconData, FaviconDataLen);
http_response_send(res);
exit(0);
}
page = page + 1; /* skip slash */
if (!strncmp(page, "api/", 4))
{
char *p;
page += 4;
for (p=page; *p != '\0'; p++)
if (*p=='?') {
*p ='\0';
break;
}
wiki_handle_rest_call(req, res, page);
exit(0);
}
/* A little safety. issue a malformed request for any paths,
* There shouldn't need to be any..
*/
if (strchr(page, '/'))
{
http_response_set_status(res, 404, "Not Found");
http_response_printf(res, "<html><body>404 Not Found</body></html>\n");
http_response_send(res);
exit(0);
}
if (!strcmp(page, "Changes"))
{
wiki_show_changes_page(res);
}
else if (!strcmp(page, "ChangesRss"))
{
wiki_show_changes_page_rss(res);
}
else if (!strcmp(page, "Search"))
{
wiki_show_search_results_page(res, http_request_param_get(req, "expr"));
}
else if (!strcmp(page, "Create"))
{
if ( (wikitext = http_request_param_get(req, "title")) != NULL)
{
/* create page and redirect */
wiki_redirect(res, http_request_param_get(req, "title"));
}
else
{
/* show create page form */
wiki_show_create_page(res);
}
}
else
{
/* TODO: dont blindly write wikitext data to disk */
if ( (wikitext = http_request_param_get(req, "wikitext")) != NULL)
{
file_write(page, wikitext);
}
if (access(page, R_OK) == 0) /* page exists */
{
wikitext = file_read(page);
if (!strcmp(command, "edit"))
{
/* print edit page */
wiki_show_edit_page(res, wikitext, page);
}
else
{
wiki_show_page(res, wikitext, page);
}
}
else
{
if (!strcmp(command, "create"))
{
wiki_show_edit_page(res, NULL, page);
}
else
{
char buf[1024];
snprintf(buf, 1024, "%s?create", page);
wiki_redirect(res, buf);
}
}
}
}
