* onionrblockapi supports pubkey encryption now

* can now read messages in mail plugin

onionr/core.py

@@ -627,13 +627,16 @@ class Core:
 
         return None
 
-    def getBlocksByType(self, blockType):
+    def getBlocksByType(self, blockType, orderDate=True):
         '''
             Returns a list of blocks by the type
         '''
         conn = sqlite3.connect(self.blockDB)
         c = conn.cursor()
-        execute = 'SELECT hash FROM hashes WHERE dataType=?;'
+        if orderDate:
+            execute = 'SELECT hash FROM hashes WHERE dataType=? ORDER BY dateReceived;'
+        else:
+            execute = 'SELECT hash FROM hashes WHERE dataType=?;'
         args = (blockType,)
         rows = list()
         for row in c.execute(execute, args):
@@ -733,9 +736,10 @@ class Core:
             signer = self._crypto.symmetricEncrypt(signer, key=symKey, returnEncoded=True).decode()
         elif encryptType == 'asym':
             if self._utils.validatePubKey(asymPeer):
-                jsonMeta = self._crypto.pubKeyEncrypt(jsonMeta, asymPeer, encodedData=True).decode()
-                data = self._crypto.pubKeyEncrypt(data, asymPeer, encodedData=True).decode()
-                signature = self._crypto.pubKeyEncrypt(signature, asymPeer, encodedData=True).decode()
+                jsonMeta = self._crypto.pubKeyEncrypt(jsonMeta, asymPeer, encodedData=True, anonymous=True).decode()
+                data = self._crypto.pubKeyEncrypt(data, asymPeer, encodedData=True, anonymous=True).decode()
+                signature = self._crypto.pubKeyEncrypt(signature, asymPeer, encodedData=True, anonymous=True).decode()
+                signer = self._crypto.pubKeyEncrypt(signer, asymPeer, encodedData=True, anonymous=True).decode()
             else:
                 raise onionrexceptions.InvalidPubkey(asymPeer + ' is not a valid base32 encoded ed25519 key')
         

onionr/onionrblockapi.py

@@ -18,7 +18,7 @@
     along with this program.  If not, see <https://www.gnu.org/licenses/>.
 '''
 
-import core as onionrcore, logger, config, onionrexceptions
+import core as onionrcore, logger, config, onionrexceptions, nacl.exceptions
 import json, os, sys, datetime, base64
 
 class Block:
@@ -50,6 +50,9 @@ class Block:
         self.bheader = {}
         self.bmetadata = {}
         self.isEncrypted = False
+        self.decrypted = False
+        self.signer = None
+        self.validSig = False
 
         # handle arguments
         if self.getCore() is None:
@@ -69,11 +72,39 @@ class Block:
 
     def decrypt(self, anonymous=True, encodedData=True):
         '''Decrypt a block, loading decrypted data into their vars'''
-        
+        if self.decrypted:
+            return True
+        retData = False
+        core = self.getCore()
         # decrypt data
-        self.getCore()._crypto.pubKeyDecrypt(self.bcontent, anonymous=anonymous, encodedData=encodedData)
+        if self.getHeader('encryptType') == 'asym':
+            try:
+                self.bcontent = core._crypto.pubKeyDecrypt(self.bcontent, anonymous=anonymous, encodedData=encodedData)
+                self.bmetadata = json.loads(core._crypto.pubKeyDecrypt(self.bmetadata, anonymous=anonymous, encodedData=encodedData))
+                self.signature = core._crypto.pubKeyDecrypt(self.signature, anonymous=anonymous, encodedData=encodedData)
+                self.signer = core._crypto.pubKeyDecrypt(self.signer, anonymous=anonymous, encodedData=encodedData)
+                self.signedData =  json.dumps(self.bmetadata) + self.bcontent.decode()
+            except nacl.exceptions.CryptoError:
+                pass
+                #logger.debug('Could not decrypt block. Either invalid key or corrupted data')
+            else:
+                retData = True
+                self.decrypted = True
+        else:
+            logger.warn('symmetric decryption is not yet supported by this API')
+        return retData
+    
+    def verifySig(self):
+        '''Verify if a block's signature is signed by its claimed signer'''
+        core = self.getCore()
+
+        if core._crypto.edVerify(data=self.signedData, key=self.signer, sig=self.signature, encodedData=True):
+            self.validSig = True
+            print('ded')
+        else:
+            self.validSig = False
+        return self.validSig
 
-        return
 
     def update(self, data = None, file = None):
         '''
@@ -133,8 +164,11 @@ class Block:
             self.parent = self.getMetadata('parent', None)
             self.btype = self.getMetadata('type', None)
             self.signed = ('sig' in self.getHeader() and self.getHeader('sig') != '')
+            # TODO: detect if signer is hash of pubkey or not
+            self.signer = self.getHeader('signer', None)
             self.signature = self.getHeader('sig', None)
-            self.signedData = (None if not self.isSigned() else self.getHeader('meta') + '\n' + self.getContent())
+            # signed data is jsonMeta + block content (no linebreak)
+            self.signedData = (None if not self.isSigned() else self.getHeader('meta') + self.getContent())
             self.date = self.getCore().getBlockDate(self.getHash())
 
             if not self.getDate() is None:

onionr/static-data/default-plugins/pms/main.py

@@ -19,7 +19,7 @@
 '''
 
 # Imports some useful libraries
-import logger, config, threading, time, readline
+import logger, config, threading, time, readline, datetime
 from onionrblockapi import Block
 import onionrexceptions
 
@@ -51,13 +51,53 @@ class OnionrMail:
     def inbox(self):
         blockCount = 0
         pmBlockMap = {}
+        pmBlocks = {}
+        logger.info('Decrypting messages...')
+        choice = ''
 
-        print('Private Messages:')
-
+        # this could use a lot of memory if someone has recieved a lot of messages
         for blockHash in self.myCore.getBlocksByType('pm'):
-            blockCount += 1
-            pmBlockMap[blockCount] = blockHash
-            print('%s: %s' % (blockCount, blockHash))
+            pmBlocks[blockHash] = Block(blockHash, core=self.myCore)
+            pmBlocks[blockHash].decrypt()
+
+        while choice not in ('-q', 'q', 'quit'):
+            blockCount = 0
+            for blockHash in pmBlocks:
+                if not pmBlocks[blockHash].decrypted:
+                    continue
+                blockCount += 1
+                pmBlockMap[blockCount] = blockHash
+                blockDate = pmBlocks[blockHash].getDate().strftime("%m/%d %H:%M")
+                print('%s. %s: %s' % (blockCount, blockDate, blockHash))
+
+            try:
+                choice = logger.readline('Enter a block number, -r to refresh, or -q to stop: ').strip().lower()
+            except (EOFError, KeyboardInterrupt):
+                choice = '-q'
+
+            if choice in ('-q', 'q', 'quit'):
+                continue
+
+            if choice in ('-r', 'r', 'refresh'):
+                # dirty hack
+                self.inbox()
+                return
+
+            try:
+                choice = int(choice)
+            except ValueError:
+                pass
+            else:
+                try:
+                    pmBlockMap[choice]
+                    readBlock = pmBlocks[pmBlockMap[choice]]
+                except KeyError:
+                    pass
+                else:
+                    readBlock.verifySig()
+                    print('Message recieved from', readBlock.signer)
+                    print('Valid signature:', readBlock.validSig)
+                    print(self.myCore._utils.escapeAnsi(readBlock.bcontent.decode()))
 
         return