Add qrcode for briar address

src/briar.py

@@ -8,8 +8,13 @@ __status__ = "Production"
 __module_group__ = "Profile Metadata"
 
 
+import pyqrcode
+from src.utils import load_json
+from src.utils import acct_dir
 from src.utils import get_attachment_property_value
 from src.utils import remove_html
+from src.data import is_a_file
+from src.data import erase_file
 
 
 def get_briar_address(actor_json: {}) -> str:
@@ -64,9 +69,47 @@ def get_briar_address(actor_json: {}) -> str:
     return ''
 
 
-def set_briar_address(actor_json: {}, briar_address: str) -> None:
+def save_briar_qrcode(base_dir: str,
+                      nickname: str, domain: str,
+                      scale: int = 6) -> bool:
+    """Saves a qrcode image for the briar address of the person
+    This helps to transfer onion or i2p handles to a mobile device
+    """
+    qrcode_filename = \
+        acct_dir(base_dir, nickname, domain) + '/qrcode_briar.png'
+    if is_a_file(qrcode_filename):
+        return False
+    actor_filename = \
+        acct_dir(base_dir, nickname, domain) + '.json'
+    if not is_a_file(actor_filename):
+        return False
+    actor_json = load_json(actor_filename)
+    if not actor_json:
+        return False
+    briar_address = get_briar_address(actor_json)
+    if not briar_address:
+        return False
+    url = pyqrcode.create(briar_address)
+    try:
+        url.png(qrcode_filename, scale)
+        return True
+    except ModuleNotFoundError:
+        print('EX: save_briar_qrcode pyqrcode png module not found')
+    return False
+
+
+def set_briar_address(base_dir: str, nickname: str, domain: str,
+                      actor_json: {}, briar_address: str,
+                      qrcode_scale: int) -> None:
     """Sets an briar address for the given actor
     """
+    if not briar_address:
+        qrcode_filename = \
+            acct_dir(base_dir, nickname, domain) + '/qrcode_briar.png'
+        if is_a_file(qrcode_filename):
+            erase_file(qrcode_filename,
+                       'EX: cannot remove briar qrcode ' + qrcode_filename)
+
     not_briar_address: bool = False
 
     if len(briar_address) < 50:
@@ -147,3 +190,4 @@ def set_briar_address(actor_json: {}, briar_address: str) -> None:
         "value": briar_address
     }
     actor_json['attachment'].append(new_briar_address)
+    save_briar_qrcode(base_dir, nickname, domain, qrcode_scale)

src/daemon_get.py

@@ -2716,7 +2716,8 @@ def daemon_http_get(self) -> None:
     if is_image_file(self.path) and \
        (string_starts_with(self.path,
                            ('/login.', '/qrcode.png', '/qrcode_lxmf.png',
-                            '/qrcode_ricochet.png', '/qrcode_enigma.png'))):
+                            '/qrcode_ricochet.png', '/qrcode_enigma.png',
+                            '/qrcode_briar.png'))):
         icon_filename = data_dir(self.server.base_dir) + self.path
         if is_a_file(icon_filename):
             if etag_exists(self, icon_filename):
@@ -2757,6 +2758,7 @@ def daemon_http_get(self) -> None:
         (self.path.endswith('/qrcode.png') or
          self.path.endswith('/qrcode_lxmf.png') or
          self.path.endswith('/qrcode_ricochet.png') or
+         self.path.endswith('/qrcode_briar.png') or
          self.path.endswith('/qrcode_enigma.png'))):
         if show_qrcode(self, calling_domain, self.path,
                        self.server.base_dir,

src/daemon_get_images.py

@@ -31,6 +31,7 @@ from src.person import save_person_qrcode
 from src.lxmf import save_lxmf_qrcode
 from src.ricochet import save_ricochet_qrcode
 from src.enigma import save_enigma_qrcode
+from src.briar import save_briar_qrcode
 from src.data import load_string
 from src.data import load_binary
 from src.data import is_a_file
@@ -488,6 +489,11 @@ def show_qrcode(self, calling_domain: str, path: str,
             acct_dir(base_dir, nickname, domain) + '/qrcode_enigma.png'
         qrcode_scale = 6
         save_enigma_qrcode(base_dir, nickname, domain, qrcode_scale)
+    elif path.endswith('_briar.png'):
+        qr_filename = \
+            acct_dir(base_dir, nickname, domain) + '/qrcode_briar.png'
+        qrcode_scale = 6
+        save_briar_qrcode(base_dir, nickname, domain, qrcode_scale)
     else:
         if onion_domain:
             qrcode_domain = onion_domain

src/daemon_post_profile.py

@@ -1770,19 +1770,22 @@ def _profile_post_cwtch_address(fields: {}, actor_json: {},
     return actor_changed
 
 
-def _profile_post_briar_address(fields: {}, actor_json: {},
+def _profile_post_briar_address(base_dir: str, nickname: str, domain: str,
+                                fields: {}, actor_json: {},
                                 actor_changed: bool) -> bool:
     """ HTTP POST change briar address
     """
+    qrcode_scale = 6
     current_briar_address = get_briar_address(actor_json)
     if fields.get('briarAddress'):
         if fields['briarAddress'] != current_briar_address:
-            set_briar_address(actor_json,
-                              fields['briarAddress'])
+            set_briar_address(base_dir, nickname, domain, actor_json,
+                              fields['briarAddress'], qrcode_scale)
             actor_changed = True
     else:
         if current_briar_address:
-            set_briar_address(actor_json, '')
+            set_briar_address(base_dir, nickname, domain,
+                              actor_json, '', qrcode_scale)
             actor_changed = True
     return actor_changed
 
@@ -3101,7 +3104,8 @@ def profile_edit(self, calling_domain: str, cookie: str,
                                                actor_changed)
 
                 actor_changed = \
-                    _profile_post_briar_address(fields, actor_json,
+                    _profile_post_briar_address(base_dir, nickname, domain,
+                                                fields, actor_json,
                                                 actor_changed)
 
                 actor_changed = \

src/webapp_person_options.py

@@ -515,11 +515,17 @@ def html_person_options(default_timeline: str,
         if briar_address.startswith('briar://'):
             options_str += \
                 '  <p class="imText">' + \
-                remove_html(briar_address) + '</p>\n'
+                remove_html(briar_address)
         else:
             options_str += \
                 '  <p class="imText">briar://' + \
-                remove_html(briar_address) + '</p>\n'
+                remove_html(briar_address)
+        options_str += \
+            ' <a href="/users/' + nickname + \
+            '/qrcode_briar.png" alt="' + translate['QR Code'] + '" title="' + \
+            translate['QR Code'] + '" tabindex="1">' + \
+            '<img class="qrcode" alt="' + translate['QR Code'] + \
+            '" src="/icons/qrcode.png" /></a></p>\n'
     if ricochet_address:
         if ricochet_address.startswith('ricochet:'):
             options_str += \

src/webapp_profile.py

@@ -1502,11 +1502,18 @@ def html_profile(signing_priv_key_pem: str,
             if briar_address.startswith('briar://'):
                 donate_section += \
                     '<p><label class="toxaddr">' + \
-                    briar_address + '</label></p>\n'
+                    briar_address + '</label>'
             else:
                 donate_section += \
                     '<p>briar://<label class="toxaddr">' + \
-                    briar_address + '</label></p>\n'
+                    briar_address + '</label>'
+            donate_section += \
+                ' <a href="/users/' + nickname + \
+                '/qrcode_briar.png" alt="' + translate['QR Code'] + \
+                '" title="' + \
+                translate['QR Code'] + '" tabindex="1">' + \
+                '<img class="qrcode" alt="' + translate['QR Code'] + \
+                '" src="/icons/qrcode.png" /></a></p>\n'
         if ricochet_address:
             if ricochet_address.startswith('ricochet:'):
                 donate_section += \