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This is an automatically generated e-mail. To reply, visit:
<a href="https://git.reviewboard.kde.org/r/124140/">https://git.reviewboard.kde.org/r/124140/</a>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I've tested it in two phones and it worked at the beginning, but it breaks easily. One of the things I've done that caused problems is: turn the phone WiFi off, unpair, and turn the WiFi on again (so the other device doesn't know that we have unpaired). After that, they started misbehaving: it was not possible to pair them again, they disappeared and reappeared intermittently from the list of available devices of each other, etc. I've seen some crashes in the logcat, this is a stack trace from one of them: http://pastebin.com/4KfpnsYm
You should do some testing (manual if it can't be automated) to make sure that all this edge cases work correctly and the devices are always doing what they should do. Debugging this will definitely take you more time than the time you have before the mid-term evaluation, but I don't think it makes sense to start working on the Qt side until this is not perfect or we will just carry over the same bugs.
Also, the code needs a lot of clean up and you will also need to polish a bit the user interface (see my comments below).</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380819#file380819line56" style="color: black; font-weight: bold; text-decoration: underline;">build.gradle</a>
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(Diff revision 1)
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> compile 'org.bouncycastle:bcprov-jdk16:1.46'</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> compile 'io.netty:netty-all:4.0.23.Final'</pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#fdfebc" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> compile 'org.bouncycastle:bcpkix-jdk15on:1.52'</pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Nice that you decided to go with Netty. Is the other package that you changed a dependency of Netty? It was there originally for the SFTP plugin, have you tested that the new version is still compatible and the SFTP plugin still works?</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380820#file380820line28" style="color: black; font-weight: bold; text-decoration: underline;">res/layout/activity_pair.xml</a>
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(Diff revision 1)
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="nt"><LinearLayout</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_width=</span><span class="s">"match_parent"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_height=</span><span class="s">"wrap_content"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:orientation=</span><span class="s">"vertical"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:visibility=</span><span class="s">"gone"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:id=</span><span class="s">"@+id/secret_keys"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_gravity=</span><span class="s">"center"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:paddingTop=</span><span class="s">"5dp"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:paddingBottom=</span><span class="s">"5dp"</span><span class="nt">></span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="nt"><TextView</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:id=</span><span class="s">"@+id/my_device_key"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_width=</span><span class="s">"fill_parent"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_height=</span><span class="s">"wrap_content"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:text=</span><span class="s">"@string/pairing_accept"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_weight=</span><span class="s">"1"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="nt">/></span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">46</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="nt"><TextView</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">47</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:id=</span><span class="s">"@+id/remote_device_key"</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">48</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_width=</span><span class="s">"fill_parent"</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">49</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_height=</span><span class="s">"wrap_content"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:text=</span><span class="s">"@string/pairing_reject"</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">51</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_weight=</span><span class="s">"1"</span> <span class="nt">/></span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">53</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="nt"><TextView</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-right: 1px solid #C0C0C0;" align="right"><font size="2"></font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">54</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_width=</span><span class="s">"fill_parent"</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">55</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_height=</span><span class="s">"wrap_content"</span></pre></td>
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<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">56</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:text=</span><span class="s">"@string/security_message"</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "></pre></td>
<th bgcolor="#b1ebb0" style="border-left: 1px solid #C0C0C0; border-right: 1px solid #C0C0C0;" align="right"><font size="2">57</font></th>
<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="na">android:layout_weight=</span><span class="s">"1"</span><span class="nt">/></span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This info is not user friendly at all:
- When not using SSL it doesn't make any sense to display it.
- Most users don't care about this and/or don't know what to do with that information. For that reason it should not be in the main interface.
My proposal for improvement: Put it in an options menu (three dots) named "Encryption info" or something like this. If there is no SSL it should say so: "The other device doesn't use a recent version of KDE Connect, using the legacy encryption method.". If there is SSL available, show the key hashes.</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380822#file380822line14" style="color: black; font-weight: bold; text-decoration: underline;">res/xml/general_preferences.xml</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="nt"><CheckBoxPreference</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This shouldn't be an option, we can decide for the user. SSL is better and there should no reason to want to disable it.</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380824#file380824line54" style="color: black; font-weight: bold; text-decoration: underline;">src/org/kde/kdeconnect/Backends/LanBackend/LanLink.java</a>
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<td colspan="4"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">public class LanLink extends BaseLink {</pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="kd">public</span> <span class="kd">class</span> <span class="nc">LanLink</span> <span class="kd">extends</span> <span class="n">BaseLink</span> <span class="o">{</span></pre></td>
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<td bgcolor="#ffffff" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "><span class="kd">public</span> <span class="kd">class</span> <span class="nc">LanLink</span> <span class="kd">extends</span> <span class="n">BaseLink</span> <span class="o">{</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I like how minimalistic the changes needed in this class are :)</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380825#file380825line251" style="color: black; font-weight: bold; text-decoration: underline;">src/org/kde/kdeconnect/Backends/LanBackend/LanLinkProvider.java</a>
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<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">public void sessionClosed(IoSession session) throws Exception {</pre></td>
<td colspan="2"><pre style="font-size: 8pt; line-height: 140%; margin: 0; ">public void channelInactive(ChannelHandlerContext ctx) throws Exception {</pre></td>
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<td bgcolor="#ffc5ce" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">connector</span><span class="o">.</span><span class="na">getSessionConfig</span><span class="o">().</span><span class="na">setKeepAlive</span><span class="o">(</span><span class="kc">true</span><span class="o">);</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">You probably need to enable keepalive here as well, as we used to do with mina.</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380825#file380825line265" style="color: black; font-weight: bold; text-decoration: underline;">src/org/kde/kdeconnect/Backends/LanBackend/LanLinkProvider.java</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">pipeline</span><span class="o">.</span><span class="na">addLast</span><span class="o">(</span><span class="k">new</span> <span class="n">DelimiterBasedFrameDecoder</span><span class="o">(</span><span class="mi">8192</span><span class="o">,</span> <span class="n">Delimiters</span><span class="o">.</span><span class="na">lineDelimiter</span><span class="o">()));</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">This won't allow you to receive packets longer than 8192 bytes! The previous max size was 512*1024 (512kb), you can keep that value.</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380825#file380825line423" style="color: black; font-weight: bold; text-decoration: underline;">src/org/kde/kdeconnect/Backends/LanBackend/LanLinkProvider.java</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">pipeline</span><span class="o">.</span><span class="na">addLast</span><span class="o">(</span><span class="k">new</span> <span class="n">DelimiterBasedFrameDecoder</span><span class="o">(</span><span class="mi">8192</span><span class="o">,</span> <span class="n">Delimiters</span><span class="o">.</span><span class="na">lineDelimiter</span><span class="o">()));</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Same thing with the 8192 size limit.</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380829#file380829line314" style="color: black; font-weight: bold; text-decoration: underline;">src/org/kde/kdeconnect/Device.java</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">String</span> <span class="n">encodedCertificate</span> <span class="o">=</span> <span class="n">Base64</span><span class="o">.</span><span class="na">encodeToString</span><span class="o">(</span><span class="n">certificate</span><span class="o">.</span><span class="na">getEncoded</span><span class="o">(),</span> <span class="mi">0</span><span class="o">);</span></pre></td>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">editor</span><span class="o">.</span><span class="na">putString</span><span class="o">(</span><span class="s">"certificate"</span><span class="o">,</span> <span class="n">encodedCertificate</span><span class="o">);</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">I liked your previous approach with the PairingHandler much better: each type of link could store the information it needed in the Handler without having to put it inside device like this.
Also with the handlers every device could use different pairing mechanisms, which can be very useful:
- We could implement tests with a fake pairing handler.
- A Bluetooth link could rely on the pairing made by Bluetooth, and not ask the user to re-pair in KDE Connect.
I think you should have finished the "refactor" task before starting to implement this, because without refactoring the pairing now the code is much dirtier here... before we can merge this, I would like to see the pairing-related things refactored out of this class.</pre>
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<a href="https://git.reviewboard.kde.org/r/124140/diff/1/?file=380832#file380832line259" style="color: black; font-weight: bold; text-decoration: underline;">src/org/kde/kdeconnect/NetworkPackage.java</a>
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<td bgcolor="#c5ffc4" width="50%"><pre style="font-size: 8pt; line-height: 140%; margin: 0; "> <span class="n">np</span><span class="o">.</span><span class="na">mBody</span><span class="o">.</span><span class="na">put</span><span class="o">(</span><span class="s">"sslSupported"</span><span class="o">,</span> <span class="n">PreferenceManager</span><span class="o">.</span><span class="na">getDefaultSharedPreferences</span><span class="o">(</span><span class="n">context</span><span class="o">).</span><span class="na">getBoolean</span><span class="o">(</span><span class="n">MainSettingsActivity</span><span class="o">.</span><span class="na">KEY_USE_SSL_PREFERENCE</span><span class="o">,</span> <span class="kc">true</span><span class="o">));</span></pre></td>
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<pre style="white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;">Instead of adding a new field, use the protocolVersion: increase the protocol version number in this release, and check if the version is greater than the old version to enable SSL.
I think we are making a change big enough to bump the protocol version number.</pre>
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<p>- Albert Vaca Cintora</p>
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<p>On juny 21st, 2015, 5:41 a.m. PDT, Vineet Garg wrote:</p>
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<div>Review request for kdeconnect and Albert Vaca Cintora.</div>
<div>By Vineet Garg.</div>
<p style="color: grey;"><i>Updated jun. 21, 2015, 5:41 a.m.</i></p>
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<b style="color: #575012; font-size: 10pt;">Repository: </b>
kdeconnect-android
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Description </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><ul style="padding: 0;text-rendering: inherit;margin: 0 0 0 1em;line-height: inherit;white-space: normal;">
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">Since MINA was tying hands in adding SSL, ported over Netty which has a good, clean and easy interface and a larger user and developer base.</li>
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">Added support to setup links on SSL</li>
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">Links automatically removed if wrong certificate is sent</li>
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">Shows keys based on hash of certificate to check right certificates are received</li>
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">Added a preference to use SSL, as it is experienced to cause high CPU usage on devices.</li>
<li style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: normal;">Corrected unit tests, LanLinkProvider is removed as it is nearly impossible to write it with current design. Will find a way</li>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Testing </h1>
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<pre style="margin: 0; padding: 0; white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;"><p style="padding: 0;text-rendering: inherit;margin: 0;line-height: inherit;white-space: inherit;">Tesed on some device with where both supports SSL, also with PC where ssl is not supported, working fine. Need a little bit more testing with more devices.</p></pre>
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<h1 style="color: #575012; font-size: 10pt; margin-top: 1.5em;">Diffs</b> </h1>
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<li>build.gradle <span style="color: grey">(6520c1c)</span></li>
<li>res/layout/activity_pair.xml <span style="color: grey">(6b73edc)</span></li>
<li>res/values/strings.xml <span style="color: grey">(c128342)</span></li>
<li>res/xml/general_preferences.xml <span style="color: grey">(82ab0ca)</span></li>
<li>src/org/kde/kdeconnect/Backends/BaseLink.java <span style="color: grey">(579a7af)</span></li>
<li>src/org/kde/kdeconnect/Backends/LanBackend/LanLink.java <span style="color: grey">(5994142)</span></li>
<li>src/org/kde/kdeconnect/Backends/LanBackend/LanLinkProvider.java <span style="color: grey">(ae26958)</span></li>
<li>src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLink.java <span style="color: grey">(add92f8)</span></li>
<li>src/org/kde/kdeconnect/Backends/LoopbackBackend/LoopbackLinkProvider.java <span style="color: grey">(bd9c41b)</span></li>
<li>src/org/kde/kdeconnect/BackgroundService.java <span style="color: grey">(5e3d8c2)</span></li>
<li>src/org/kde/kdeconnect/Device.java <span style="color: grey">(3262aef)</span></li>
<li>src/org/kde/kdeconnect/Helpers/SecurityHelpers/RsaHelper.java <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/org/kde/kdeconnect/Helpers/SecurityHelpers/SslHelper.java <span style="color: grey">(PRE-CREATION)</span></li>
<li>src/org/kde/kdeconnect/NetworkPackage.java <span style="color: grey">(f62b5d0)</span></li>
<li>src/org/kde/kdeconnect/UserInterface/MainSettingsActivity.java <span style="color: grey">(1b0e230)</span></li>
<li>src/org/kde/kdeconnect/UserInterface/PairActivity.java <span style="color: grey">(7a45751)</span></li>
<li>tests/org/kde/kdeconnect/DeviceTest.java <span style="color: grey">(5d3383d)</span></li>
<li>tests/org/kde/kdeconnect/LanLinkProviderTest.java <span style="color: grey">(fe7863a)</span></li>
<li>tests/org/kde/kdeconnect/LanLinkTest.java <span style="color: grey">(d3d94c9)</span></li>
<li>tests/org/kde/kdeconnect/NetworkPackageTest.java <span style="color: grey">(a21114e)</span></li>
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<p><a href="https://git.reviewboard.kde.org/r/124140/diff/" style="margin-left: 3em;">View Diff</a></p>
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