Implement basic Mastodon API support

Implement support for OAuth 2.0 code entry, which is then used to
retrieve a token that is stored in the application's settings.
Authentification allowed the implementation of a basic "get post from
URL" feature mostly made for testing.

1 files changed, 26 insertions, 1 deletions

diff --git a/src/settingsdialog.cpp b/src/settingsdialog.cpp
index 213859a..051091f 100644
--- a/src/settingsdialog.cpp
+++ b/src/settingsdialog.cpp
@@ -1,6 +1,14 @@
 #include "settingsdialog.h"
+#include "src/net/instance.h"
+#include "src/settings_interface.h"
+
 #include <QPushButton>
 #include <QDialogButtonBox>
+#include <QDesktopServices>
+#include <QUrl>
+#include <QMessageBox>
+#include <QInputDialog>
+#include <qnamespace.h>
 
 SettingsDialog::SettingsDialog(QWidget* parent)
     : QDialog(parent, Qt::Dialog), ui(new Ui::SettingsDialog)
@@ -64,7 +72,24 @@ void SettingsDialog::on_instanceActionsLabel_linkActivated(const QString& link)
         ui->instanceAddressLineEdit->setText(instance_address);
         update_ui_in_progress = false;
     } else if (link == "action:request-token") {
-        // TODO: open browser with token request URL
+        Instance* instance = Instance::create_instance((AppSettingsTypes::InstanceType)ui->instanceTypeComboBox->currentIndex());
+
+        QString url = instance->oauth2_step1();
+        if (not QDesktopServices::openUrl(url))
+            QMessageBox::information(this, tr("Navigate to this URL"), tr("Please open the following URL in your browser: %1").arg(1));
+
+        Instance::OAuth2Step2 step2 = {.ok = false};
+        while (not step2.ok) {
+            bool ok;
+            QString code = QInputDialog::getText(this, tr("Enter authorization code"), tr("Enter the code given during the authentification flow:"), QLineEdit::Normal, "", &ok);
+
+            if (code.isEmpty()) return; // User canceled
+            if (ok) step2 = instance->oauth2_step2(code);
+        }
+
+        // Do not set update_ui_in_progress as we want the new text to be seen as new text by settings_interface (through on_tokenLineEdit_editingFinished())
+        ui->tokenLineEdit->setText(step2.token);
+        on_tokenLineEdit_editingFinished(); // Make sure that the change has been noticed as sometimes it isn't
     }
 }