Add and remove global word filters from moderator screen

daemon.py

@@ -239,6 +239,8 @@ from newswire import loadHashtagCategories
 from newsdaemon import runNewswireWatchdog
 from newsdaemon import runNewswireDaemon
 from filters import isFiltered
+from filters import addGlobalFilter
+from filters import removeGlobalFilter
 import os
 
 
@@ -1506,6 +1508,10 @@ class PubServer(BaseHTTPRequestHandler):
                     moderationButton = 'block'
                 elif moderationStr.startswith('submitUnblock'):
                     moderationButton = 'unblock'
+                elif moderationStr.startswith('submitFilter'):
+                    moderationButton = 'filter'
+                elif moderationStr.startswith('submitUnfilter'):
+                    moderationButton = 'unfilter'
                 elif moderationStr.startswith('submitSuspend'):
                     moderationButton = 'suspend'
                 elif moderationStr.startswith('submitUnsuspend'):
@@ -1526,6 +1532,10 @@ class PubServer(BaseHTTPRequestHandler):
                     suspendAccount(baseDir, nickname, domain)
                 if moderationButton == 'unsuspend':
                     unsuspendAccount(baseDir, nickname)
+                if moderationButton == 'filter':
+                    addGlobalFilter(baseDir, moderationText)
+                if moderationButton == 'unfilter':
+                    removeGlobalFilter(baseDir, moderationText)
                 if moderationButton == 'block':
                     fullBlockDomain = None
                     if moderationText.startswith('http') or \

filters.py

@@ -23,6 +23,20 @@ def addFilter(baseDir: str, nickname: str, domain: str, words: str) -> bool:
     return True
 
 
+def addGlobalFilter(baseDir: str, words: str) -> bool:
+    """Adds a global filter for particular words within
+    the content of a incoming posts
+    """
+    filtersFilename = baseDir + '/accounts/filters.txt'
+    if os.path.isfile(filtersFilename):
+        if words in open(filtersFilename).read():
+            return False
+    filtersFile = open(filtersFilename, "a+")
+    filtersFile.write(words + '\n')
+    filtersFile.close()
+    return True
+
+
 def removeFilter(baseDir: str, nickname: str, domain: str,
                  words: str) -> bool:
     """Removes a word filter
@@ -43,6 +57,24 @@ def removeFilter(baseDir: str, nickname: str, domain: str,
     return False
 
 
+def removeGlobalFilter(baseDir: str, words: str) -> bool:
+    """Removes a global word filter
+    """
+    filtersFilename = baseDir + '/accounts/filters.txt'
+    if os.path.isfile(filtersFilename):
+        if words in open(filtersFilename).read():
+            with open(filtersFilename, 'r') as fp:
+                with open(filtersFilename + '.new', 'w+') as fpnew:
+                    for line in fp:
+                        line = line.replace('\n', '')
+                        if line != words:
+                            fpnew.write(line + '\n')
+            if os.path.isfile(filtersFilename + '.new'):
+                os.rename(filtersFilename + '.new', filtersFilename)
+                return True
+    return False
+
+
 def isTwitterPost(content: str) -> bool:
     """Returns true if the given post content is a retweet or twitter crosspost
     """
@@ -66,9 +98,9 @@ def isFiltered(baseDir: str, nickname: str, domain: str, content: str) -> bool:
         if isTwitterPost(content):
             return True
 
-    instanceFiltersFilename = baseDir + '/accounts/filters.txt'
+    globalFiltersFilename = baseDir + '/accounts/filters.txt'
-    if os.path.isfile(instanceFiltersFilename):
+    if os.path.isfile(globalFiltersFilename):
-        if content + '\n' in open(instanceFiltersFilename).read():
+        if content + '\n' in open(globalFiltersFilename).read():
             return True
 
     accountFiltersFilename = baseDir + '/accounts/' + \