diff options
Diffstat (limited to 'content/fetchers/about/query_auth.c')
-rw-r--r-- | content/fetchers/about/query_auth.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/content/fetchers/about/query_auth.c b/content/fetchers/about/query_auth.c new file mode 100644 index 000000000..1ed2e80ee --- /dev/null +++ b/content/fetchers/about/query_auth.c @@ -0,0 +1,246 @@ +/* + * Copyright 2020 Vincent Sanders <vince@netsurf-browser.org> + * + * This file is part of NetSurf. + * + * NetSurf is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * NetSurf 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. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + */ + +/** + * \file + * content generator for the about scheme query privacy page + */ + +#include <stdbool.h> +#include <stddef.h> +#include <stdio.h> +#include <string.h> +#include <stdint.h> +#include <stdlib.h> + +#include "utils/errors.h" +#include "utils/log.h" +#include "utils/messages.h" +#include "content/fetch.h" + +#include "private.h" +#include "query_auth.h" + + +/** + * generate the description of the login query + */ +static nserror +get_authentication_description(struct nsurl *url, + const char *realm, + const char *username, + const char *password, + char **out_str) +{ + nserror res; + char *url_s; + size_t url_l; + char *str = NULL; + const char *key; + + res = nsurl_get(url, NSURL_HOST, &url_s, &url_l); + if (res != NSERROR_OK) { + return res; + } + + if ((*username == 0) && (*password == 0)) { + key = "LoginDescription"; + } else { + key = "LoginAgain"; + } + + str = messages_get_buff(key, url_s, realm); + if (str != NULL) { + NSLOG(netsurf, INFO, + "key:%s url:%s realm:%s str:%s", + key, url_s, realm, str); + *out_str = str; + } else { + res = NSERROR_NOMEM; + } + + free(url_s); + + return res; +} + + +/** + * Handler to generate about scheme authentication query page + * + * \param ctx The fetcher context. + * \return true if handled false if aborted. + */ +bool fetch_about_query_auth_handler(struct fetch_about_context *ctx) +{ + nserror res; + char *url_s; + size_t url_l; + const char *realm = ""; + const char *username = ""; + const char *password = ""; + const char *title; + char *description = NULL; + struct nsurl *siteurl = NULL; + const struct fetch_multipart_data *curmd; /* mutipart data iterator */ + + /* extract parameters from multipart post data */ + curmd = fetch_about_get_multipart(ctx); + while (curmd != NULL) { + if (strcmp(curmd->name, "siteurl") == 0) { + res = nsurl_create(curmd->value, &siteurl); + if (res != NSERROR_OK) { + return fetch_about_srverror(ctx); + } + } else if (strcmp(curmd->name, "realm") == 0) { + realm = curmd->value; + } else if (strcmp(curmd->name, "username") == 0) { + username = curmd->value; + } else if (strcmp(curmd->name, "password") == 0) { + password = curmd->value; + } + curmd = curmd->next; + } + + if (siteurl == NULL) { + return fetch_about_srverror(ctx); + } + + /* content is going to return ok */ + fetch_about_set_http_code(ctx, 200); + + /* content type */ + if (fetch_about_send_header(ctx, "Content-Type: text/html; charset=utf-8")) { + goto fetch_about_query_auth_handler_aborted; + } + + title = messages_get("LoginTitle"); + res = fetch_about_ssenddataf(ctx, + "<html>\n<head>\n" + "<title>%s</title>\n" + "<link rel=\"stylesheet\" type=\"text/css\" " + "href=\"resource:internal.css\">\n" + "</head>\n" + "<body class=\"ns-even-bg ns-even-fg ns-border\" id =\"authentication\">\n" + "<h1 class=\"ns-border\">%s</h1>\n", + title, title); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = fetch_about_ssenddataf(ctx, + "<form method=\"post\"" + " enctype=\"multipart/form-data\">"); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = get_authentication_description(siteurl, + realm, + username, + password, + &description); + if (res == NSERROR_OK) { + res = fetch_about_ssenddataf(ctx, "<p>%s</p>", description); + free(description); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + } + + res = fetch_about_ssenddataf(ctx, "<table>"); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = fetch_about_ssenddataf(ctx, + "<tr>" + "<th><label for=\"name\">%s:</label></th>" + "<td><input type=\"text\" id=\"username\" " + "name=\"username\" value=\"%s\"></td>" + "</tr>", + messages_get("Username"), username); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = fetch_about_ssenddataf(ctx, + "<tr>" + "<th><label for=\"password\">%s:</label></th>" + "<td><input type=\"password\" id=\"password\" " + "name=\"password\" value=\"%s\"></td>" + "</tr>", + messages_get("Password"), password); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = fetch_about_ssenddataf(ctx, "</table>"); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = fetch_about_ssenddataf(ctx, + "<div id=\"buttons\">" + "<input type=\"submit\" id=\"login\" name=\"login\" " + "value=\"%s\" class=\"default-action\">" + "<input type=\"submit\" id=\"cancel\" name=\"cancel\" " + "value=\"%s\">" + "</div>", + messages_get("Login"), + messages_get("Cancel")); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = nsurl_get(siteurl, NSURL_COMPLETE, &url_s, &url_l); + if (res != NSERROR_OK) { + url_s = strdup(""); + } + res = fetch_about_ssenddataf(ctx, + "<input type=\"hidden\" name=\"siteurl\" value=\"%s\">", + url_s); + free(url_s); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = fetch_about_ssenddataf(ctx, + "<input type=\"hidden\" name=\"realm\" value=\"%s\">", + realm); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + res = fetch_about_ssenddataf(ctx, "</form></body>\n</html>\n"); + if (res != NSERROR_OK) { + goto fetch_about_query_auth_handler_aborted; + } + + fetch_about_send_finished(ctx); + + nsurl_unref(siteurl); + + return true; + +fetch_about_query_auth_handler_aborted: + + nsurl_unref(siteurl); + + return false; +} |