diff options
Diffstat (limited to 'src/anastasis/anastasis-gtk_handle-method-email.c')
| -rw-r--r-- | src/anastasis/anastasis-gtk_handle-method-email.c | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/src/anastasis/anastasis-gtk_handle-method-email.c b/src/anastasis/anastasis-gtk_handle-method-email.c new file mode 100644 index 0000000..36e4d4d --- /dev/null +++ b/src/anastasis/anastasis-gtk_handle-method-email.c @@ -0,0 +1,272 @@ +/* + This file is part of anastasis-gtk. + Copyright (C) 2020 Anastasis SARL + + Anastasis 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; either version 3, or (at your + option) any later version. + + Anastasis 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 Anastasis; see the file COPYING. If not, write to the + Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, + Boston, MA 02110-1301, USA. +*/ + +/** + * @file src/anastasis/anastasis-gtk_handle-method-email.c + * @brief Handle dialogs for security email + * @author Christian Grothoff + */ +#include <gnunet/platform.h> +#include <gnunet/gnunet_util_lib.h> +#include "anastasis-gtk_action.h" +#include "anastasis-gtk_helper.h" +#include "anastasis-gtk_handle-identity-changed.h" +#include <jansson.h> + + +/** + * Return obfuscated variant of an e-mail address. + * + * @param email input address + * @return obfuscated version, NULL on errors + */ +static char * +mask_email (const char *email) +{ + char *at; + char *tld; + size_t nlen; + char *result; + + result = GNUNET_strdup (email); + at = strchr (result, '@'); + if (NULL == at) + { + GNUNET_break (0); + GNUNET_free (result); + return NULL; + } + tld = strrchr (result, '.'); + if (NULL == tld) + { + GNUNET_break (0); + GNUNET_free (result); + return NULL; + } + if ( (ssize_t) (at - tld) > 0) + { + GNUNET_break (0); + GNUNET_free (result); + return NULL; + } + nlen = at - result; + switch (nlen) + { + case 0: + GNUNET_break (0); + GNUNET_free (result); + return NULL; + case 1: + result[0] = '?'; + break; + case 2: + case 3: + result[0] = '?'; + result[1] = '?'; + break; + default: + for (unsigned int i = 1; i<nlen - 2; i++) + result[i] = '?'; + break; + } + nlen = tld - at; + switch (nlen) + { + case 1: + GNUNET_break (0); + GNUNET_free (result); + return NULL; + case 2: + at[1] = '?'; + break; + case 3: + at[1] = '?'; + at[2] = '?'; + break; + case 4: + at[2] = '?'; + at[3] = '?'; + break; + default: + for (unsigned int i = 2; i<nlen - 2; i++) + at[i] = '?'; + break; + } + + /* shorten multiple consecutive "?" to "*" */ + { + bool star = false; + bool qmark = false; + size_t woff = 0; + + for (unsigned int i = 0; i<strlen (result); i++) + { + result[woff++] = result[i]; + if ('?' == result[i]) + { + if (star) + { + /* more than two "??" in a row */ + woff--; + continue; + } + if (qmark) + { + /* two "??", combine to "*" */ + result[--woff - 1] = '*'; + star = true; + continue; + } + /* first qmark */ + qmark = true; + } + else + { + star = false; + qmark = false; + } + } + result[woff] = '\0'; + } + return result; +} + + +/** + * Function called from the security-email dialog upon completion. + * + * @param dialog the pseudonym selection dialog + * @param response_id response code from the dialog + * @param user_data the builder of the dialog + */ +void +anastasis_gtk_b_email_dialog_response_cb (GtkDialog *dialog, + gint response_id, + gpointer user_data) +{ + GtkBuilder *builder = GTK_BUILDER (user_data); + GtkEntry *q; + const char *qs; + json_t *args; + char *ins; + char *pe; + + if (GTK_RESPONSE_OK != response_id) + { + gtk_widget_destroy (GTK_WIDGET (dialog)); + g_object_unref (G_OBJECT (builder)); + return; + } + q = GTK_ENTRY (gtk_builder_get_object (builder, + "anastasis_gtk_b_email_dialog_mailaddress_entry")); + qs = gtk_entry_get_text (q); + pe = mask_email (qs); + GNUNET_asprintf (&ins, + _ ("e-mail address %s"), + pe); + GNUNET_free (pe); + args = json_pack ("{ s:{s:s, s:o, s:s}}", + "authentication_method", + "type", + "email", + "challenge", + GNUNET_JSON_from_data (qs, + strlen (qs)), + "instructions", + ins); + GNUNET_free (ins); + gtk_widget_destroy (GTK_WIDGET (dialog)); + g_object_unref (G_OBJECT (builder)); + AG_freeze (); + AG_ra = ANASTASIS_redux_action (AG_redux_state, + "add_authentication", + args, + &AG_action_cb, + NULL); + json_decref (args); +} + + +void +anastasis_gtk_b_email_dialog_mailaddress_entry_changed_cb (GtkEntry *entry, + gpointer user_data) +{ + GtkBuilder *builder = GTK_BUILDER (user_data); + GtkEntry *q; + const char *qs; + regex_t regex; + int regex_result; + const char *regexp = "[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\\.[a-zA-Z]{2,4}"; + + regex_result = regcomp (®ex, + regexp, + REG_EXTENDED); + if (0 < regex_result) + { + GNUNET_break (0); + return; + } + q = GTK_ENTRY (gtk_builder_get_object (builder, + "anastasis_gtk_b_email_dialog_mailaddress_entry")); + qs = gtk_entry_get_text (q); + regex_result = regexec (®ex, + qs, + 0, + NULL, + 0); + regfree (®ex); + gtk_widget_set_sensitive ( + GTK_WIDGET (gtk_builder_get_object (builder, + "anastasis_gtk_b_email_dialog_btn_ok")), + 0 == regex_result); +} + + +/** + * Callback invoked if the the "secure email"-button is clicked. + * + * @param object + * @param user_data unused + */ +void +anastasis_gtk_btn_add_auth_email_clicked_cb (GObject *object, + gpointer user_data) +{ + GtkWidget *ad; + GtkBuilder *builder; + + builder = GNUNET_GTK_get_new_builder ("anastasis_gtk_auth_add_email.glade", + NULL); + if (NULL == builder) + { + GNUNET_break (0); + return; + } + ad = GTK_WIDGET (gtk_builder_get_object (builder, + "anastasis_gtk_b_email_dialog")); + { + GtkWidget *toplevel; + + toplevel = gtk_widget_get_toplevel (GTK_WIDGET (object)); + gtk_window_set_transient_for (GTK_WINDOW (ad), + GTK_WINDOW (toplevel)); + gtk_window_present (GTK_WINDOW (ad)); + } +} |