Moderators can block hashtag searches

blocking.py

@@ -13,6 +13,7 @@ def addGlobalBlock(baseDir: str, \
     """Global block which applies to all accounts
     """
     blockingFilename=baseDir+'/accounts/blocking.txt'
+    if not blockNickname.startswith('#'):        
         blockHandle=blockNickname+'@'+blockDomain
         if os.path.isfile(blockingFilename):
             if blockHandle in open(blockingFilename).read():
@@ -20,6 +21,14 @@ def addGlobalBlock(baseDir: str, \
         blockFile=open(blockingFilename, "a+")
         blockFile.write(blockHandle+'\n')
         blockFile.close()
+    else:
+        blockHashtag=blockNickname
+        if os.path.isfile(blockingFilename):
+            if blockHashtag+'\n' in open(blockingFilename).read():
+                return False
+        blockFile=open(blockingFilename, "a+")
+        blockFile.write(blockHashtag+'\n')
+        blockFile.close()
     return True
 
 def addBlock(baseDir: str,nickname: str,domain: str, \
@@ -44,6 +53,7 @@ def removeGlobalBlock(baseDir: str, \
     """Unblock the given global block
     """
     unblockingFilename=baseDir+'/accounts/blocking.txt'
+    if not unblockNickname.startswith('#'):        
         unblockHandle=unblockNickname+'@'+unblockDomain
         if os.path.isfile(unblockingFilename):
             if unblockHandle in open(unblockingFilename).read():
@@ -56,6 +66,19 @@ def removeGlobalBlock(baseDir: str, \
                 if os.path.isfile(unblockingFilename+'.new'):
                     os.rename(unblockingFilename+'.new',unblockingFilename)
                     return True
+    else:
+        unblockHashtag=unblockNickname
+        if os.path.isfile(unblockingFilename):
+            if unblockHashtag+'\n' in open(unblockingFilename).read():
+                with open(unblockingFilename, 'r') as fp:
+                    with open(unblockingFilename+'.new', 'w') as fpnew:
+                        for line in fp:
+                            blockLine=line.replace('\n','')
+                            if unblockHashtag not in line:
+                                fpnew.write(blockLine+'\n')
+                if os.path.isfile(unblockingFilename+'.new'):
+                    os.rename(unblockingFilename+'.new',unblockingFilename)
+                    return True
     return False
 
 def removeBlock(baseDir: str,nickname: str,domain: str, \
@@ -79,6 +102,16 @@ def removeBlock(baseDir: str,nickname: str,domain: str, \
                 return True
     return False
 
+def isBlockedHashtag(baseDir: str,hashtag: str) -> bool:
+    """Is the given hashtag blocked?
+    """
+    globalBlockingFilename=baseDir+'/accounts/blocking.txt'
+    if os.path.isfile(globalBlockingFilename):
+        hashtag=hashtag.strip('\n')
+        if hashtag+'\n' in open(globalBlockingFilename).read():
+            return True
+    return False
+
 def isBlocked(baseDir: str,nickname: str,domain: str, \
               blockNickname: str,blockDomain: str) -> bool:
     """Is the given nickname blocked?

daemon.py

@@ -66,6 +66,7 @@ from blocking import addBlock
 from blocking import removeBlock
 from blocking import addGlobalBlock
 from blocking import removeGlobalBlock
+from blocking import isBlockedHashtag
 from config import setConfigParam
 from config import getConfigParam
 from roles import outboxDelegate
@@ -92,6 +93,7 @@ from webinterface import htmlTermsOfService
 from webinterface import htmlHashtagSearch
 from webinterface import htmlModerationInfo
 from webinterface import htmlSearchSharedItems
+from webinterface import htmlHashtagBlocked
 from shares import getSharesFeedForPerson
 from shares import outboxShareUpload
 from shares import outboxUndoShareUpload
@@ -706,6 +708,11 @@ class PubServer(BaseHTTPRequestHandler):
             hashtag=self.path.split('/tags/')[1]
             if '?page=' in hashtag:
                 hashtag=hashtag.split('?page=')[0]
+            if isBlockedHashtag(self.server.baseDir,hashtag):
+                self._login_headers('text/html')
+                self.wfile.write(htmlHashtagBlocked(self.server.baseDir).encode('utf-8'))
+                self.server.GETbusy=False
+                return
             hashtagStr= \
                 htmlHashtagSearch(self.server.baseDir,hashtag,pageNumber, \
                                   maxPostsInFeed,self.server.session, \
@@ -2160,7 +2167,7 @@ class PubServer(BaseHTTPRequestHandler):
                                     fullBlockDomain=blockDomain+':'+str(blockPort)
                         if '@' in moderationText:
                             fullBlockDomain=moderationText.split('@')[1]
-                        if fullBlockDomain:
+                        if fullBlockDomain or nickname.startswith('#'):
                             addGlobalBlock(self.server.baseDir, \
                                            nickname,fullBlockDomain)
                     if moderationButton=='unblock':
@@ -2174,7 +2181,7 @@ class PubServer(BaseHTTPRequestHandler):
                                     fullBlockDomain=blockDomain+':'+str(blockPort)
                         if '@' in moderationText:
                             fullBlockDomain=moderationText.split('@')[1]
-                        if fullBlockDomain:
+                        if fullBlockDomain or nickname.startswith('#'):
                             removeGlobalBlock(self.server.baseDir, \
                                               nickname,fullBlockDomain)
                     if moderationButton=='remove':

webinterface.py

@@ -451,6 +451,20 @@ def htmlTermsOfService(baseDir: str,httpPrefix: str,domainFull: str) -> str:
         TOSForm+=htmlFooter()
     return TOSForm
 
+def htmlHashtagBlocked(baseDir: str) -> str:
+    """Show the screen for a blocked hashtag
+    """
+    blockedHashtagForm=''
+    with open(baseDir+'/epicyon-suspended.css', 'r') as cssFile:
+        blockedHashtagCSS=cssFile.read()            
+        blockedHashtagForm=htmlHeader(blockedHashtagCSS)
+        blockedHashtagForm+='<div><center>'
+        blockedHashtagForm+='  <p class="screentitle">Hashtag Blocked</p>'
+        blockedHashtagForm+='  <p>See <a href="/terms">Terms of Service</a></p>'
+        blockedHashtagForm+='</center></div>'
+        blockedHashtagForm+=htmlFooter()
+    return blockedHashtagForm
+    
 def htmlSuspended(baseDir: str) -> str:
     """Show the screen for suspended accounts
     """