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-rw-r--r--frontends/windows/login.c297
1 files changed, 297 insertions, 0 deletions
diff --git a/frontends/windows/login.c b/frontends/windows/login.c
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index 000000000..ca6c9163d
--- /dev/null
+++ b/frontends/windows/login.c
@@ -0,0 +1,297 @@
+/*
+* Copyright 2018 Vincent Sanders <vince@netsurf-browser.org>
+*
+* This file is part of NetSurf, http://www.netsurf-browser.org/
+*
+* 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
+ * This is The win32 API basic authentication login dialog implementation.
+ */
+
+#include <stdio.h>
+
+#include "utils/config.h"
+
+#include <windows.h>
+
+#include "utils/log.h"
+#include "utils/messages.h"
+#include "utils/nsurl.h"
+#include "desktop/version.h"
+
+#include "windows/gui.h"
+#include "windows/window.h"
+#include "windows/login.h"
+#include "windows/resourceid.h"
+
+#include "windbg.h"
+
+struct login_ctx {
+ char *username;
+ char *password;
+ char *description;
+ nserror (*cb)(const char *username, const char *password, void *cbctx);
+ void *cbctx;
+};
+
+
+/**
+ * free login dialog context
+ */
+static nserror
+free_loginctx(struct login_ctx *ctx)
+{
+ free(ctx->username);
+ free(ctx->password);
+ free(ctx->description);
+ free(ctx);
+
+ return NSERROR_OK;
+}
+
+
+/**
+ * generate the description of the login request
+ */
+static nserror
+get_login_description(struct nsurl *url,
+ const char *realm,
+ char **out_str)
+{
+ char *url_s;
+ size_t url_l;
+ nserror res;
+ const char *fmt = "The site %s is requesting your username and password. The realm is \"%s\"";
+ char *str = NULL;
+ int strlen;
+
+ res = nsurl_get(url, NSURL_SCHEME | NSURL_HOST, &url_s, &url_l);
+ if (res != NSERROR_OK) {
+ return res;
+ }
+
+ strlen = snprintf(str, 0, fmt, url_s, realm) + 1;
+ str = malloc(strlen);
+ if (str == NULL) {
+ res = NSERROR_NOMEM;
+ } else {
+ snprintf(str, strlen, fmt, url_s, realm);
+ *out_str = str;
+ }
+
+ free(url_s);
+
+ return res;
+}
+
+/**
+ * win32 login dialog initialisation handler
+ */
+static BOOL
+login_dialog_init(HWND hwndDlg, WPARAM wParam, LPARAM lParam)
+{
+ struct login_ctx *ctx;
+ HWND hwndOwner;
+ RECT rc, rcDlg, rcOwner;
+ ctx = (struct login_ctx *)lParam;
+
+ /* make context available in future calls */
+ SetWindowLongPtr(hwndDlg, GWLP_USERDATA, lParam);
+
+ /* set default contents */
+ SetDlgItemText(hwndDlg, IDC_LOGIN_USERNAME, ctx->username);
+ SetDlgItemText(hwndDlg, IDC_LOGIN_PASSWORD, ctx->password);
+ SetDlgItemText(hwndDlg, IDC_LOGIN_DESCRIPTION, ctx->description);
+
+ /* Get the owner window and dialog box rectangles. */
+ if ((hwndOwner = GetParent(hwndDlg)) == NULL) {
+ hwndOwner = GetDesktopWindow();
+ }
+
+ GetWindowRect(hwndOwner, &rcOwner);
+ GetWindowRect(hwndDlg, &rcDlg);
+ CopyRect(&rc, &rcOwner);
+
+ /* Offset the owner and dialog box rectangles so that right
+ * and bottom values represent the width and height, and then
+ * offset the owner again to discard space taken up by the
+ * dialog box.
+ */
+
+ OffsetRect(&rcDlg, -rcDlg.left, -rcDlg.top);
+ OffsetRect(&rc, -rc.left, -rc.top);
+ OffsetRect(&rc, -rcDlg.right, -rcDlg.bottom);
+
+ /* The new position is the sum of half the remaining space and
+ * the owner's original position.
+ */
+ SetWindowPos(hwndDlg,
+ HWND_TOP,
+ rcOwner.left + (rc.right / 2),
+ rcOwner.top + (rc.bottom / 2),
+ 0, 0, /* Ignores size arguments. */
+ SWP_NOSIZE);
+
+ /* ensure username gets focus */
+ if (GetDlgCtrlID((HWND) wParam) != IDC_LOGIN_USERNAME) {
+ SetFocus(GetDlgItem(hwndDlg, IDC_LOGIN_USERNAME));
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+
+/**
+ * win32 login dialog ok handler
+ */
+static BOOL
+login_dialog_ok(HWND hwndDlg, struct login_ctx *ctx)
+{
+ char username[255];
+ char password[255];
+
+ if (GetDlgItemText(hwndDlg,
+ IDC_LOGIN_USERNAME,
+ username,
+ sizeof(username)) == 0) {
+ username[0]=0;
+ }
+
+ if (GetDlgItemText(hwndDlg,
+ IDC_LOGIN_PASSWORD,
+ password,
+ sizeof(password)) == 0) {
+ password[0]=0;
+ }
+
+ NSLOG(netsurf, DEBUG,
+ "context %p, user:\"%s\" pw:\"%s\"", ctx, username, password);
+
+ ctx->cb(username, password, ctx->cbctx);
+
+ DestroyWindow(hwndDlg);
+
+ nsw32_del_dialog(hwndDlg);
+
+ free_loginctx(ctx);
+
+ return TRUE;
+}
+
+
+/**
+ * win32 login dialog cancel handler
+ */
+static BOOL
+login_dialog_cancel(HWND hwndDlg, struct login_ctx *ctx)
+{
+ NSLOG(netsurf, DEBUG, "context %p", ctx);
+
+ ctx->cb(NULL, NULL, ctx->cbctx);
+
+ DestroyWindow(hwndDlg);
+
+ nsw32_del_dialog(hwndDlg);
+
+ free_loginctx(ctx);
+
+ return TRUE;
+}
+
+
+/**
+ * win32 API callback for login dialog
+ */
+static BOOL CALLBACK
+login_dialog_callback(HWND hwndDlg, UINT message, WPARAM wParam, LPARAM lParam)
+{
+ struct login_ctx *ctx;
+
+ LOG_WIN_MSG(hwndDlg, message, wParam, lParam);
+
+ /* obtain login dialog context */
+ ctx = (struct login_ctx *)GetWindowLongPtr(hwndDlg, GWLP_USERDATA);
+
+ switch (message) {
+ case WM_INITDIALOG:
+ return login_dialog_init(hwndDlg, wParam, lParam);
+
+ case WM_COMMAND:
+ switch (LOWORD(wParam)) {
+ case IDOK:
+ return login_dialog_ok(hwndDlg, ctx);
+
+ case IDCANCEL:
+ return login_dialog_cancel(hwndDlg, ctx);
+ }
+ }
+ return FALSE;
+}
+
+
+/**
+ * Request credentials for http login
+ */
+nserror
+nsw32_401login(nsurl *url,
+ const char *realm,
+ const char *username,
+ const char *password,
+ nserror (*cb)(const char *username,
+ const char *password,
+ void *cbctx),
+ void *cbctx)
+{
+ HWND hwndDlg;
+ struct login_ctx *nctx;
+ struct gui_window *gw;
+ nserror res;
+
+ /* locate parent window */
+ gw = nsws_get_gui_window(GetActiveWindow());
+ if (gw == NULL) {
+ return NSERROR_INIT_FAILED;
+ }
+
+ /* setup context for parameters */
+ nctx = calloc(1, sizeof(struct login_ctx));
+ if (nctx == NULL) {
+ return NSERROR_NOMEM;
+ }
+
+ nctx->username = strdup(username);
+ nctx->password = strdup(password);
+ nctx->cb = cb;
+ nctx->cbctx = cbctx;
+
+ res = get_login_description(url, realm, &nctx->description);
+ if (res != NSERROR_OK) {
+ free_loginctx(nctx);
+ return res;
+ }
+
+ /* create modeless dialog */
+ hwndDlg = CreateDialogParam(NULL,
+ MAKEINTRESOURCE(IDD_LOGIN),
+ gw->main,
+ login_dialog_callback,
+ (LPARAM)nctx);
+
+ nsw32_add_dialog(hwndDlg);
+
+ return NSERROR_OK;
+}