Add HTTP File Upload support.

doc/source/dev/xep.rst

@@ -107,6 +107,8 @@ Table of all XEPs implemented in poezio.
 +----------+-------------------------+---------------------+
 |0352      |Client State Indication  |100%                 |
 +----------+-------------------------+---------------------+
+|0363      |HTTP File Upload         |100%                 |
++----------+-------------------------+---------------------+
 |0364      |Current OTR Usage        |100%                 |
 +----------+-------------------------+---------------------+
 |0375      |Compliance Suites 2016   |Advanced Client +    |

doc/source/plugins/index.rst

@@ -293,6 +293,11 @@ Plugin index
 
         Add a ``/vcard`` command to retrieve and display a vCard.
 
+    Upload
+        :ref:`Documentation <upload-plugin>`
+
+        Add an ``/upload`` command to upload a file.
+
 .. toctree::
     :hidden:
 
@@ -340,3 +345,4 @@ Plugin index
     marquee
     server_part
     vcard
+    upload

plugins/upload.py

@@ -0,0 +1,59 @@
+"""
+Upload a file and auto-complete the input with its URL.
+
+Usage
+-----
+
+This plugin adds a command to the chat tabs.
+
+.. glossary::
+
+    /upload
+        **Usage:** ``/upload <filename>``
+
+        Uploads the <filename> file to the preferred HTTP File Upload
+        service (see XEP-0363) and fill the input with its URL.
+
+
+"""
+import asyncio
+from os.path import expanduser
+from glob import glob
+
+from poezio.plugin import BasePlugin
+from poezio.core.structs import Completion
+from poezio.decorators import command_args_parser
+from poezio import tabs
+
+class Plugin(BasePlugin):
+
+    def init(self):
+        for _class in (tabs.PrivateTab, tabs.ConversationTab, tabs.MucTab):
+            self.api.add_tab_command(_class, 'upload', self.command_upload,
+                    usage='<filename>',
+                    help='Upload a file and auto-complete the input with its URL.',
+                    short='Upload a file',
+                    completion=self.completion_filename)
+
+    @asyncio.coroutine
+    def async_upload(self, filename):
+        try:
+            url = yield from self.core.xmpp['xep_0363'].upload_file(filename)
+        except Exception as e:
+            self.api.information('Failed to upload the file: %s(%s)' % (type(e), e), 'Error')
+        self.core.insert_input_text(url)
+
+    @command_args_parser.quoted(1)
+    def command_upload(self, args):
+        if args is None:
+            self.core.command.help('upload')
+            return
+        filename, = args
+        filename = expanduser(filename)
+        asyncio.ensure_future(self.async_upload(filename))
+
+    @staticmethod
+    def completion_filename(the_input):
+        txt = expanduser(the_input.get_text()[8:])
+        files = glob(txt + '*')
+        return Completion(the_input.auto_completion, files, quotify=False)

poezio/connection.py

@@ -174,6 +174,14 @@ class Connection(slixmpp.ClientXMPP):
         self.register_plugin('xep_0319')
         self.register_plugin('xep_0334')
         self.register_plugin('xep_0352')
+        try:
+            self.register_plugin('xep_0363')
+        except SyntaxError:
+            log.error('Failed to load HTTP File Upload plugin, it can only be '
+                      'used on Python 3.5+')
+        except slixmpp.plugins.base.PluginNotFound:
+            log.error('Failed to load HTTP File Upload plugin, it can only be '
+                      'used with aiohttp installed')
         self.register_plugin('xep_0380')
         self.init_plugins()