From 9b93c4d7c5a450607eca0174b1899e56d6a09a48 Mon Sep 17 00:00:00 2001
From: "Felix (xq) Queißner" <git@mq32.de>
Date: Wed, 10 Jun 2020 01:24:39 +0200
Subject: Improves gophermaps: Now handle '+' correctly, improves gopher
 protocol such that it now respects *the lone dot*.

---
 src/gopherclient.cpp      | 12 ++++++++++--
 src/gopherclient.hpp      |  1 +
 src/gophermaprenderer.cpp | 17 +++++++++++++----
 src/settingsdialog.ui     | 10 +++++-----
 4 files changed, 29 insertions(+), 11 deletions(-)

(limited to 'src')

diff --git a/src/gopherclient.cpp b/src/gopherclient.cpp
index 17faceb..2c2cdf5 100644
--- a/src/gopherclient.cpp
+++ b/src/gopherclient.cpp
@@ -34,7 +34,7 @@ bool GopherClient::startRequest(const QUrl &url)
     else if(type == "h") mime = "text/html";
     else if(type == "s") mime = "audio/unknown";
 
-    qDebug() << url << "→" << mime;
+    is_processing_binary = (type == "5") or (type == "9") or (type == "I") or (type == "g");
 
     this->requested_url = url;
     this->was_cancelled = false;
@@ -66,6 +66,15 @@ void GopherClient::on_connected()
 void GopherClient::on_readRead()
 {
     body.append(socket.readAll());
+
+    if(not is_processing_binary) {
+        // Strip the "lone dot" from gopher data
+        if(int index = body.indexOf(".\r\n"); index >= 0) {
+            body.resize(index);
+            socket.close();
+        }
+    }
+
     emit this->requestProgress(body.size());
 }
 
@@ -74,7 +83,6 @@ void GopherClient::on_finished()
     if(not was_cancelled)
     {
         emit this->requestComplete(this->body, mime);
-
         was_cancelled = true;
     }
     body.clear();
diff --git a/src/gopherclient.hpp b/src/gopherclient.hpp
index a2beb0c..f9913c5 100644
--- a/src/gopherclient.hpp
+++ b/src/gopherclient.hpp
@@ -37,6 +37,7 @@ private:
     QUrl requested_url;
     bool was_cancelled;
     QString mime;
+    bool is_processing_binary;
 };
 
 #endif // GOPHERCLIENT_HPP
diff --git a/src/gophermaprenderer.cpp b/src/gophermaprenderer.cpp
index c705883..89f3905 100644
--- a/src/gophermaprenderer.cpp
+++ b/src/gophermaprenderer.cpp
@@ -51,6 +51,8 @@ std::unique_ptr<QTextDocument> GophermapRenderer::render(const QByteArray &input
 
     QTextBlockFormat non_list_format = cursor.blockFormat();
 
+    char last_type = '1';
+
     QList<QByteArray> lines = input.split('\n');
     for (auto const &line : lines)
     {
@@ -66,7 +68,9 @@ std::unique_ptr<QTextDocument> GophermapRenderer::render(const QByteArray &input
 
         QString icon;
         QString scheme = "gopher";
-        switch (line.at(0))
+
+        auto type = line.at(0);
+        switch (type)
         {
         case '0': // Text File
             icon = "text";
@@ -125,12 +129,17 @@ std::unique_ptr<QTextDocument> GophermapRenderer::render(const QByteArray &input
         default: // unknown
             continue;
         }
+        if(type == '+') {
+            type = last_type;
+        } else {
+            last_type = type;
+        }
 
         QString title = items.at(0);
 
         // 1Phlog	/phlog	octotherp.org	70	+
 
-        if (line.at(0) == 'i')
+        if (type == 'i')
         {
             cursor.insertText(title + "\n", standard);
         }
@@ -147,10 +156,10 @@ std::unique_ptr<QTextDocument> GophermapRenderer::render(const QByteArray &input
                 dst_url = root_url.resolved(QUrl(items.at(1))).toString();
                 break;
             case 3:
-                dst_url = scheme + "://" + items.at(2) + "/" + line.mid(0, 1) + items.at(1);
+                dst_url = scheme + "://" + items.at(2) + "/" + QString(type) + items.at(1);
                 break;
             default:
-                dst_url = scheme + "://" + items.at(2) + ":" + items.at(3) + "/" + line.mid(0, 1) + items.at(1);
+                dst_url = scheme + "://" + items.at(2) + ":" + items.at(3) + "/" + QString(type) + items.at(1);
                 break;
             }
 
diff --git a/src/settingsdialog.ui b/src/settingsdialog.ui
index 75b84fe..23d1bc8 100644
--- a/src/settingsdialog.ui
+++ b/src/settingsdialog.ui
@@ -212,9 +212,9 @@
        <item row="6" column="1">
         <layout class="QHBoxLayout" name="horizontalLayout_7">
          <item>
-          <widget class="QRadioButton" name="scheme_error">
+          <widget class="QRadioButton" name="scheme_os_default">
            <property name="text">
-            <string>Display error message</string>
+            <string>Use OS default handler</string>
            </property>
            <attribute name="buttonGroup">
             <string notr="true">buttonGroup</string>
@@ -222,9 +222,9 @@
           </widget>
          </item>
          <item>
-          <widget class="QRadioButton" name="scheme_os_default">
+          <widget class="QRadioButton" name="scheme_error">
            <property name="text">
-            <string>Use OS default handler</string>
+            <string>Display error message</string>
            </property>
            <attribute name="buttonGroup">
             <string notr="true">buttonGroup</string>
@@ -842,9 +842,9 @@
   </connection>
  </connections>
  <buttongroups>
+  <buttongroup name="buttonGroup"/>
   <buttongroup name="gophermapBtnGroup"/>
   <buttongroup name="textHighlightsBtnGroup"/>
   <buttongroup name="textRenderingBtnGroup"/>
-  <buttongroup name="buttonGroup"/>
  </buttongroups>
 </ui>
-- 
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