Merge branch 'main' of ssh://code.freedombone.net:2222/bashrc/epicyon into main

epicyon.py

@@ -11,6 +11,7 @@ import shutil
 import sys
 import time
 import argparse
+from person import getActorJson
 from person import createPerson
 from person import createGroup
 from person import setProfileImage
@@ -1370,137 +1371,7 @@ if args.migrations:
     sys.exit()
 
 if args.actor:
-    originalActor = args.actor
-    if '/@' in args.actor or \
-       '/users/' in args.actor or \
-       args.actor.startswith('http') or \
-       args.actor.startswith('dat'):
-        # format: https://domain/@nick
-        prefixes = getProtocolPrefixes()
-        for prefix in prefixes:
-            args.actor = args.actor.replace(prefix, '')
-        args.actor = args.actor.replace('/@', '/users/')
-        if not hasUsersPath(args.actor):
-            print('Expected actor format: ' +
-                  'https://domain/@nick or https://domain/users/nick')
-            sys.exit()
-        if '/users/' in args.actor:
-            nickname = args.actor.split('/users/')[1]
-            nickname = nickname.replace('\n', '').replace('\r', '')
-            domain = args.actor.split('/users/')[0]
-        elif '/profile/' in args.actor:
-            nickname = args.actor.split('/profile/')[1]
-            nickname = nickname.replace('\n', '').replace('\r', '')
-            domain = args.actor.split('/profile/')[0]
-        elif '/channel/' in args.actor:
-            nickname = args.actor.split('/channel/')[1]
-            nickname = nickname.replace('\n', '').replace('\r', '')
-            domain = args.actor.split('/channel/')[0]
-        elif '/accounts/' in args.actor:
-            nickname = args.actor.split('/accounts/')[1]
-            nickname = nickname.replace('\n', '').replace('\r', '')
-            domain = args.actor.split('/accounts/')[0]
-        elif '/u/' in args.actor:
-            nickname = args.actor.split('/u/')[1]
-            nickname = nickname.replace('\n', '').replace('\r', '')
-            domain = args.actor.split('/u/')[0]
-    else:
-        # format: @nick@domain
-        if '@' not in args.actor:
-            print('Syntax: --actor nickname@domain')
-            sys.exit()
-        if args.actor.startswith('@'):
-            args.actor = args.actor[1:]
-        if '@' not in args.actor:
-            print('Syntax: --actor nickname@domain')
-            sys.exit()
-        nickname = args.actor.split('@')[0]
-        domain = args.actor.split('@')[1]
-        domain = domain.replace('\n', '').replace('\r', '')
-    cachedWebfingers = {}
-    if args.http or domain.endswith('.onion'):
-        httpPrefix = 'http'
-        port = 80
-        proxyType = 'tor'
-    elif domain.endswith('.i2p'):
-        httpPrefix = 'http'
-        port = 80
-        proxyType = 'i2p'
-    elif args.gnunet:
-        httpPrefix = 'gnunet'
-        port = 80
-        proxyType = 'gnunet'
-    else:
-        httpPrefix = 'https'
-        port = 443
-    session = createSession(proxyType)
-    if nickname == 'inbox':
-        nickname = domain
-
-    handle = nickname + '@' + domain
-    wfRequest = webfingerHandle(session, handle,
-                                httpPrefix, cachedWebfingers,
-                                None, __version__)
-    if not wfRequest:
-        print('Unable to webfinger ' + handle)
-        sys.exit()
-    if not isinstance(wfRequest, dict):
-        print('Webfinger for ' + handle + ' did not return a dict. ' +
-              str(wfRequest))
-        sys.exit()
-
-    pprint(wfRequest)
-
-    personUrl = None
-    if wfRequest.get('errors'):
-        print('wfRequest error: ' + str(wfRequest['errors']))
-        if hasUsersPath(args.actor):
-            personUrl = originalActor
-        else:
-            sys.exit()
-
-    profileStr = 'https://www.w3.org/ns/activitystreams'
-    asHeader = {
-        'Accept': 'application/activity+json; profile="' + profileStr + '"'
-    }
-    if not personUrl:
-        personUrl = getUserUrl(wfRequest)
-    if nickname == domain:
-        personUrl = personUrl.replace('/users/', '/actor/')
-        personUrl = personUrl.replace('/accounts/', '/actor/')
-        personUrl = personUrl.replace('/channel/', '/actor/')
-        personUrl = personUrl.replace('/profile/', '/actor/')
-        personUrl = personUrl.replace('/u/', '/actor/')
-    if not personUrl:
-        # try single user instance
-        personUrl = httpPrefix + '://' + domain
-        profileStr = 'https://www.w3.org/ns/activitystreams'
-        asHeader = {
-            'Accept': 'application/ld+json; profile="' + profileStr + '"'
-        }
-    if '/channel/' in personUrl or '/accounts/' in personUrl:
-        profileStr = 'https://www.w3.org/ns/activitystreams'
-        asHeader = {
-            'Accept': 'application/ld+json; profile="' + profileStr + '"'
-        }
-
-    personJson = \
-        getJson(session, personUrl, asHeader, None, __version__,
-                httpPrefix, None)
-    if personJson:
-        pprint(personJson)
-    else:
-        profileStr = 'https://www.w3.org/ns/activitystreams'
-        asHeader = {
-            'Accept': 'application/jrd+json; profile="' + profileStr + '"'
-        }
-        personJson = \
-            getJson(session, personUrl, asHeader, None,
-                    __version__, httpPrefix, None)
-        if personJson:
-            pprint(personJson)
-        else:
-            print('Failed to get ' + personUrl)
+    getActorJson(args.actor, args.http, args.gnunet, False)
     sys.exit()
 
 if args.followers:

notifications_client.py

@@ -11,6 +11,7 @@ import html
 import time
 import sys
 import select
+from random import randint
 from utils import getNicknameFromActor
 from utils import getDomainFromActor
 from utils import getFullDomain
@@ -26,6 +27,8 @@ from follow import sendUnfollowRequestViaServer
 from posts import sendPostViaServer
 from announce import sendAnnounceViaServer
 from pgp import pgpDecrypt
+from pgp import hasLocalPGPkey
+from pgp import pgpEncryptToActor
 
 
 def _waitForKeypress(timeout: int, debug: bool) -> str:
@@ -320,6 +323,32 @@ def _notificationNewDM(session, toHandle: str,
     subject = None
     commentsEnabled = True
     subject = None
+
+    # if there is a local PGP key then attempt to encrypt the DM
+    # using the PGP public key of the recipient
+    if hasLocalPGPkey():
+        sayStr = \
+            'Local PGP key detected...' + \
+            'Fetching PGP public key for ' + toHandle
+        _sayCommand(sayStr, sayStr, screenreader, systemLanguage, espeak)
+        paddedMessage = newMessage
+        if len(paddedMessage) < 32:
+            # add some padding before and after
+            # This is to guard against cribs based on small messages, like "Hi"
+            for before in range(randint(1, 16)):
+                paddedMessage = ' ' + paddedMessage
+            for after in range(randint(1, 16)):
+                paddedMessage += ' '
+        cipherText = \
+            pgpEncryptToActor(paddedMessage, toHandle)
+        if not cipherText:
+            sayStr = toHandle + ' has no PGP public key'
+            _sayCommand(sayStr, sayStr, screenreader, systemLanguage, espeak)
+        else:
+            newMessage = cipherText
+            sayStr = 'Message encrypted'
+            _sayCommand(sayStr, sayStr, screenreader, systemLanguage, espeak)
+
     sayStr = 'Sending'
     _sayCommand(sayStr, sayStr, screenreader, systemLanguage, espeak)
     if sendPostViaServer(__version__,
@@ -486,11 +515,17 @@ def runNotificationsClient(baseDir: str, proxyType: str, httpPrefix: str,
                         else:
                             messageStr = speakerJson['say'] + '. ' + \
                                 speakerJson['imageDescription']
-                        messageStr = pgpDecrypt(messageStr)
+                        if speakerJson.get('id'):
+                            messageStr = pgpDecrypt(messageStr,
+                                                    speakerJson['id'])
 
                         content = messageStr
                         if speakerJson.get('content'):
-                            content = pgpDecrypt(speakerJson['content'])
+                            if speakerJson.get('id'):
+                                content = pgpDecrypt(speakerJson['content'],
+                                                     speakerJson['id'])
+                            else:
+                                content = speakerJson['content']
 
                         # say the speaker's name
                         _sayCommand(nameStr, nameStr, screenreader,

person.py

@@ -19,6 +19,7 @@ from cryptography.hazmat.primitives import serialization
 from shutil import copyfile
 from webfinger import createWebfingerEndpoint
 from webfinger import storeWebfingerEndpoint
+from posts import getUserUrl
 from posts import createDMTimeline
 from posts import createRepliesTimeline
 from posts import createMediaTimeline
@@ -41,6 +42,12 @@ from utils import saveJson
 from utils import setConfigParam
 from utils import getConfigParam
 from utils import refreshNewswire
+from utils import getProtocolPrefixes
+from utils import hasUsersPath
+from session import createSession
+from session import getJson
+from webfinger import webfingerHandle
+from pprint import pprint
 
 
 def generateRSAKey() -> (str, str):
@@ -1093,3 +1100,146 @@ def setPersonNotes(baseDir: str, nickname: str, domain: str,
     with open(notesFilename, 'w+') as notesFile:
         notesFile.write(notes)
     return True
+
+
+def getActorJson(handle: str, http: bool, gnunet: bool, quiet=False) -> {}:
+    """Returns the actor json
+    """
+    originalActor = handle
+    if '/@' in handle or \
+       '/users/' in handle or \
+       handle.startswith('http') or \
+       handle.startswith('dat'):
+        # format: https://domain/@nick
+        prefixes = getProtocolPrefixes()
+        for prefix in prefixes:
+            handle = handle.replace(prefix, '')
+        handle = handle.replace('/@', '/users/')
+        if not hasUsersPath(handle):
+            if not quiet:
+                print('Expected actor format: ' +
+                      'https://domain/@nick or https://domain/users/nick')
+            return None
+        if '/users/' in handle:
+            nickname = handle.split('/users/')[1]
+            nickname = nickname.replace('\n', '').replace('\r', '')
+            domain = handle.split('/users/')[0]
+        elif '/profile/' in handle:
+            nickname = handle.split('/profile/')[1]
+            nickname = nickname.replace('\n', '').replace('\r', '')
+            domain = handle.split('/profile/')[0]
+        elif '/channel/' in handle:
+            nickname = handle.split('/channel/')[1]
+            nickname = nickname.replace('\n', '').replace('\r', '')
+            domain = handle.split('/channel/')[0]
+        elif '/accounts/' in handle:
+            nickname = handle.split('/accounts/')[1]
+            nickname = nickname.replace('\n', '').replace('\r', '')
+            domain = handle.split('/accounts/')[0]
+        elif '/u/' in handle:
+            nickname = handle.split('/u/')[1]
+            nickname = nickname.replace('\n', '').replace('\r', '')
+            domain = handle.split('/u/')[0]
+    else:
+        # format: @nick@domain
+        if '@' not in handle:
+            if not quiet:
+                print('Syntax: --actor nickname@domain')
+            return None
+        if handle.startswith('@'):
+            handle = handle[1:]
+        if '@' not in handle:
+            if not quiet:
+                print('Syntax: --actor nickname@domain')
+            return None
+        nickname = handle.split('@')[0]
+        domain = handle.split('@')[1]
+        domain = domain.replace('\n', '').replace('\r', '')
+    cachedWebfingers = {}
+    proxyType = None
+    if http or domain.endswith('.onion'):
+        httpPrefix = 'http'
+        proxyType = 'tor'
+    elif domain.endswith('.i2p'):
+        httpPrefix = 'http'
+        proxyType = 'i2p'
+    elif gnunet:
+        httpPrefix = 'gnunet'
+        proxyType = 'gnunet'
+    else:
+        httpPrefix = 'https'
+    session = createSession(proxyType)
+    if nickname == 'inbox':
+        nickname = domain
+
+    handle = nickname + '@' + domain
+    wfRequest = webfingerHandle(session, handle,
+                                httpPrefix, cachedWebfingers,
+                                None, __version__)
+    if not wfRequest:
+        if not quiet:
+            print('Unable to webfinger ' + handle)
+        return None
+    if not isinstance(wfRequest, dict):
+        if not quiet:
+            print('Webfinger for ' + handle + ' did not return a dict. ' +
+                  str(wfRequest))
+        return None
+
+    if not quiet:
+        pprint(wfRequest)
+
+    personUrl = None
+    if wfRequest.get('errors'):
+        if not quiet:
+            print('wfRequest error: ' + str(wfRequest['errors']))
+        if hasUsersPath(handle):
+            personUrl = originalActor
+        else:
+            return None
+
+    profileStr = 'https://www.w3.org/ns/activitystreams'
+    asHeader = {
+        'Accept': 'application/activity+json; profile="' + profileStr + '"'
+    }
+    if not personUrl:
+        personUrl = getUserUrl(wfRequest)
+    if nickname == domain:
+        personUrl = personUrl.replace('/users/', '/actor/')
+        personUrl = personUrl.replace('/accounts/', '/actor/')
+        personUrl = personUrl.replace('/channel/', '/actor/')
+        personUrl = personUrl.replace('/profile/', '/actor/')
+        personUrl = personUrl.replace('/u/', '/actor/')
+    if not personUrl:
+        # try single user instance
+        personUrl = httpPrefix + '://' + domain
+        profileStr = 'https://www.w3.org/ns/activitystreams'
+        asHeader = {
+            'Accept': 'application/ld+json; profile="' + profileStr + '"'
+        }
+    if '/channel/' in personUrl or '/accounts/' in personUrl:
+        profileStr = 'https://www.w3.org/ns/activitystreams'
+        asHeader = {
+            'Accept': 'application/ld+json; profile="' + profileStr + '"'
+        }
+
+    personJson = \
+        getJson(session, personUrl, asHeader, None, __version__,
+                httpPrefix, None, 20, quiet)
+    if personJson:
+        if not quiet:
+            pprint(personJson)
+    else:
+        profileStr = 'https://www.w3.org/ns/activitystreams'
+        asHeader = {
+            'Accept': 'application/jrd+json; profile="' + profileStr + '"'
+        }
+        personJson = \
+            getJson(session, personUrl, asHeader, None,
+                    __version__, httpPrefix, None)
+        if not quiet:
+            if personJson:
+                pprint(personJson)
+            else:
+                print('Failed to get ' + personUrl)
+        return personJson

pgp.py

@@ -6,7 +6,10 @@ __maintainer__ = "Bob Mottram"
 __email__ = "bob@freedombone.net"
 __status__ = "Production"
 
+import os
 import subprocess
+from pathlib import Path
+from person import getActorJson
 
 
 def getEmailAddress(actorJson: {}) -> str:
@@ -299,7 +302,7 @@ def _pgpImportPubKey(recipientPubKey: str) -> str:
     return keyId
 
 
-def pgpEncrypt(content: str, recipientPubKey: str) -> str:
+def _pgpEncrypt(content: str, recipientPubKey: str) -> str:
     """ Encrypt using your default pgp key to the given recipient
     """
     keyId = _pgpImportPubKey(recipientPubKey)
@@ -320,18 +323,69 @@ def pgpEncrypt(content: str, recipientPubKey: str) -> str:
     return encryptResult
 
 
-def pgpDecrypt(content: str) -> str:
+def _getPGPPublicKeyFromActor(handle: str, actorJson=None) -> str:
+    """Searches tags on the actor to see if there is any PGP
+    public key specified
+    """
+    if not actorJson:
+        actorJson = getActorJson(handle, False, False, True)
+    if not actorJson:
+        return None
+    if not actorJson.get('attachment'):
+        return None
+    if not isinstance(actorJson['attachment'], list):
+        return None
+    # search through the tags on the actor
+    for tag in actorJson['attachment']:
+        if not isinstance(tag, dict):
+            continue
+        if not tag.get('value'):
+            continue
+        if not isinstance(tag['value'], str):
+            continue
+        if '--BEGIN PGP PUBLIC KEY BLOCK--' in tag['value']:
+            if '--END PGP PUBLIC KEY BLOCK--' in tag['value']:
+                return tag['value']
+    return None
+
+
+def hasLocalPGPkey() -> bool:
+    """Returns true if there is a local .gnupg directory
+    """
+    homeDir = str(Path.home())
+    gpgDir = homeDir + '/.gnupg'
+    if os.path.isfile(gpgDir):
+        return True
+    return False
+
+
+def pgpEncryptToActor(content: str, toHandle: str) -> str:
+    """PGP encrypt a message to the given actor or handle
+    """
+    # get the actor and extract the pgp public key from it
+    recipientPubKey = _getPGPPublicKeyFromActor(toHandle)
+    if not recipientPubKey:
+        return None
+    # encrypt using the recipient public key
+    return _pgpEncrypt(content, recipientPubKey)
+
+
+def pgpDecrypt(content: str, fromHandle: str) -> str:
     """ Encrypt using your default pgp key to the given recipient
+    fromHandle can be a handle or actor url
     """
     if '--BEGIN PGP MESSAGE--' not in content:
         return content
 
     # if the public key is also included within the message then import it
     startBlock = '--BEGIN PGP PUBLIC KEY BLOCK--'
-    if startBlock in content:
+    endBlock = '--END PGP PUBLIC KEY BLOCK--'
+    if startBlock in content and endBlock in content:
         pubKey = extractPGPPublicKey(content)
-        if pubKey:
-            _pgpImportPubKey(pubKey)
+    else:
+        pubKey = _getPGPPublicKeyFromActor(content, fromHandle)
+    if pubKey:
+        _pgpImportPubKey(pubKey)
 
     cmdDecrypt = \
         'echo "' + content + '" | gpg --decrypt --armor 2> /dev/null'
@@ -340,5 +394,5 @@ def pgpDecrypt(content: str) -> str:
     (decryptResult, err) = proc.communicate()
     if not decryptResult:
         return content
-    decryptResult = decryptResult.decode('utf-8')
+    decryptResult = decryptResult.decode('utf-8').strip()
     return decryptResult

tests.py

@@ -3000,8 +3000,7 @@ def testFunctions():
         'E2EEremoveDevice',
         'setOrganizationScheme',
         'fill_headers',
-        '_nothing',
-        "pgpEncrypt"
+        '_nothing'
     ]
     excludeImports = [
         'link',