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+++ b/eric6/Documentation/Source/eric6.WebBrowser.SafeBrowsing.SafeBrowsingCache.html Wed Sep 25 19:42:44 2019 +0200
@@ -18,358 +18,474 @@
</style>
</head>
-<body><a NAME="top" ID="top"></a>
+<body>
+<a NAME="top" ID="top"></a>
<h1>eric6.WebBrowser.SafeBrowsing.SafeBrowsingCache</h1>
+
<p>
Module implementing a cache for Google Safe Browsing.
</p>
<h3>Global Attributes</h3>
+
<table>
<tr><td>None</td></tr>
</table>
<h3>Classes</h3>
+
<table>
+
<tr>
<td><a href="#SafeBrowsingCache">SafeBrowsingCache</a></td>
<td>Class implementing a cache for Google Safe Browsing.</td>
</tr>
</table>
<h3>Functions</h3>
+
<table>
<tr><td>None</td></tr>
</table>
-<hr /><hr />
+<hr />
+<hr />
<a NAME="SafeBrowsingCache" ID="SafeBrowsingCache"></a>
<h2>SafeBrowsingCache</h2>
+
<p>
Class implementing a cache for Google Safe Browsing.
</p>
<h3>Derived from</h3>
QObject
<h3>Class Attributes</h3>
+
<table>
<tr><td>create_full_hash_cue_idx</td></tr><tr><td>create_full_hash_expires_idx</td></tr><tr><td>create_full_hash_value_idx</td></tr><tr><td>create_full_hashes_stmt</td></tr><tr><td>create_hash_prefix_stmt</td></tr><tr><td>create_threat_list_stmt</td></tr><tr><td>drop_full_hash_cue_idx</td></tr><tr><td>drop_full_hash_expires_idx</td></tr><tr><td>drop_full_hash_value_idx</td></tr><tr><td>drop_full_hashes_stmt</td></tr><tr><td>drop_hash_prefix_stmt</td></tr><tr><td>drop_threat_list_stmt</td></tr><tr><td>maxProcessEventsTime</td></tr>
</table>
<h3>Class Methods</h3>
+
<table>
<tr><td>None</td></tr>
</table>
<h3>Methods</h3>
+
<table>
+
<tr>
<td><a href="#SafeBrowsingCache.__init__">SafeBrowsingCache</a></td>
<td>Constructor</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.__openCacheDb">__openCacheDb</a></td>
<td>Private method to open the cache database.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.addThreatList">addThreatList</a></td>
<td>Public method to add a threat list to the cache.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.cleanupFullHashes">cleanupFullHashes</a></td>
<td>Public method to clean up full hash entries expired more than the given time.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.close">close</a></td>
<td>Public method to close the database.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.deleteHashPrefixList">deleteHashPrefixList</a></td>
<td>Public method to delete hash prefixes for a given threat list.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.deleteThreatList">deleteThreatList</a></td>
<td>Public method to delete a threat list from the cache.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.getHashPrefixValuesToRemove">getHashPrefixValuesToRemove</a></td>
<td>Public method to get the hash prefix values to be removed from the cache.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.getThreatLists">getThreatLists</a></td>
<td>Public method to get the available threat lists.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.hashPrefixListChecksum">hashPrefixListChecksum</a></td>
<td>Public method to calculate the SHA256 checksum for an alphabetically sorted concatenated list of hash prefixes.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.lookupFullHashes">lookupFullHashes</a></td>
<td>Public method to get a list of threat lists and expiration flag for the given hashes if a hash is blacklisted.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.lookupHashPrefix">lookupHashPrefix</a></td>
<td>Public method to look up hash prefixes in the local cache.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.populateHashPrefixList">populateHashPrefixList</a></td>
<td>Public method to populate the hash prefixes for a threat list.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.prepareCacheDb">prepareCacheDb</a></td>
<td>Public method to prepare the cache database.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.removeHashPrefixIndices">removeHashPrefixIndices</a></td>
<td>Public method to remove hash prefixes from the cache.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.storeFullHash">storeFullHash</a></td>
<td>Public method to store full hash data in the cache database.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.updateHashPrefixExpiration">updateHashPrefixExpiration</a></td>
<td>Public method to update the hash prefix expiration time.</td>
-</tr><tr>
+</tr>
+<tr>
<td><a href="#SafeBrowsingCache.updateThreatListClientState">updateThreatListClientState</a></td>
<td>Public method to update the client state of a threat list.</td>
</tr>
</table>
<h3>Static Methods</h3>
+
<table>
<tr><td>None</td></tr>
</table>
+
<a NAME="SafeBrowsingCache.__init__" ID="SafeBrowsingCache.__init__"></a>
<h4>SafeBrowsingCache (Constructor)</h4>
<b>SafeBrowsingCache</b>(<i>dbPath, parent=None</i>)
+
<p>
Constructor
-</p><dl>
+</p>
+<dl>
+
<dt><i>dbPath</i> (str)</dt>
<dd>
path to store the cache DB into
-</dd><dt><i>parent</i> (QObject)</dt>
+</dd>
+<dt><i>parent</i> (QObject)</dt>
<dd>
reference to the parent object
</dd>
-</dl><a NAME="SafeBrowsingCache.__openCacheDb" ID="SafeBrowsingCache.__openCacheDb"></a>
+</dl>
+<a NAME="SafeBrowsingCache.__openCacheDb" ID="SafeBrowsingCache.__openCacheDb"></a>
<h4>SafeBrowsingCache.__openCacheDb</h4>
<b>__openCacheDb</b>(<i></i>)
+
<p>
Private method to open the cache database.
-</p><dl>
+</p>
+<dl>
<dt>Returns:</dt>
<dd>
flag indicating the open state
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Return Type:</dt>
<dd>
bool
</dd>
-</dl><a NAME="SafeBrowsingCache.addThreatList" ID="SafeBrowsingCache.addThreatList"></a>
+</dl>
+<a NAME="SafeBrowsingCache.addThreatList" ID="SafeBrowsingCache.addThreatList"></a>
<h4>SafeBrowsingCache.addThreatList</h4>
<b>addThreatList</b>(<i>threatList</i>)
+
<p>
Public method to add a threat list to the cache.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list to be added
</dd>
-</dl><a NAME="SafeBrowsingCache.cleanupFullHashes" ID="SafeBrowsingCache.cleanupFullHashes"></a>
+</dl>
+<a NAME="SafeBrowsingCache.cleanupFullHashes" ID="SafeBrowsingCache.cleanupFullHashes"></a>
<h4>SafeBrowsingCache.cleanupFullHashes</h4>
<b>cleanupFullHashes</b>(<i>keepExpiredFor=43200</i>)
+
<p>
Public method to clean up full hash entries expired more than the
given time.
-</p><dl>
+</p>
+<dl>
+
<dt><i>keepExpiredFor</i> (int or float)</dt>
<dd>
time period in seconds of entries to be expired
</dd>
-</dl><a NAME="SafeBrowsingCache.close" ID="SafeBrowsingCache.close"></a>
+</dl>
+<a NAME="SafeBrowsingCache.close" ID="SafeBrowsingCache.close"></a>
<h4>SafeBrowsingCache.close</h4>
<b>close</b>(<i></i>)
+
<p>
Public method to close the database.
-</p><a NAME="SafeBrowsingCache.deleteHashPrefixList" ID="SafeBrowsingCache.deleteHashPrefixList"></a>
+</p>
+<a NAME="SafeBrowsingCache.deleteHashPrefixList" ID="SafeBrowsingCache.deleteHashPrefixList"></a>
<h4>SafeBrowsingCache.deleteHashPrefixList</h4>
<b>deleteHashPrefixList</b>(<i>threatList</i>)
+
<p>
Public method to delete hash prefixes for a given threat list.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list info object
</dd>
-</dl><a NAME="SafeBrowsingCache.deleteThreatList" ID="SafeBrowsingCache.deleteThreatList"></a>
+</dl>
+<a NAME="SafeBrowsingCache.deleteThreatList" ID="SafeBrowsingCache.deleteThreatList"></a>
<h4>SafeBrowsingCache.deleteThreatList</h4>
<b>deleteThreatList</b>(<i>threatList</i>)
+
<p>
Public method to delete a threat list from the cache.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list to be deleted
</dd>
-</dl><a NAME="SafeBrowsingCache.getHashPrefixValuesToRemove" ID="SafeBrowsingCache.getHashPrefixValuesToRemove"></a>
+</dl>
+<a NAME="SafeBrowsingCache.getHashPrefixValuesToRemove" ID="SafeBrowsingCache.getHashPrefixValuesToRemove"></a>
<h4>SafeBrowsingCache.getHashPrefixValuesToRemove</h4>
<b>getHashPrefixValuesToRemove</b>(<i>threatList, indexes</i>)
+
<p>
Public method to get the hash prefix values to be removed from the
cache.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list to remove prefixes from
-</dd><dt><i>indexes</i> (list of int)</dt>
+</dd>
+<dt><i>indexes</i> (list of int)</dt>
<dd>
list of indexes of prefixes to be removed
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Returns:</dt>
<dd>
list of hash prefixes to be removed
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Return Type:</dt>
<dd>
list of bytes
</dd>
-</dl><a NAME="SafeBrowsingCache.getThreatLists" ID="SafeBrowsingCache.getThreatLists"></a>
+</dl>
+<a NAME="SafeBrowsingCache.getThreatLists" ID="SafeBrowsingCache.getThreatLists"></a>
<h4>SafeBrowsingCache.getThreatLists</h4>
<b>getThreatLists</b>(<i></i>)
+
<p>
Public method to get the available threat lists.
-</p><dl>
+</p>
+<dl>
<dt>Returns:</dt>
<dd>
list of available threat lists
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Return Type:</dt>
<dd>
list of tuples of (ThreatList, str)
</dd>
-</dl><a NAME="SafeBrowsingCache.hashPrefixListChecksum" ID="SafeBrowsingCache.hashPrefixListChecksum"></a>
+</dl>
+<a NAME="SafeBrowsingCache.hashPrefixListChecksum" ID="SafeBrowsingCache.hashPrefixListChecksum"></a>
<h4>SafeBrowsingCache.hashPrefixListChecksum</h4>
<b>hashPrefixListChecksum</b>(<i>threatList</i>)
+
<p>
Public method to calculate the SHA256 checksum for an alphabetically
sorted concatenated list of hash prefixes.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list to calculate checksum for
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Returns:</dt>
<dd>
SHA256 checksum
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Return Type:</dt>
<dd>
bytes
</dd>
-</dl><a NAME="SafeBrowsingCache.lookupFullHashes" ID="SafeBrowsingCache.lookupFullHashes"></a>
+</dl>
+<a NAME="SafeBrowsingCache.lookupFullHashes" ID="SafeBrowsingCache.lookupFullHashes"></a>
<h4>SafeBrowsingCache.lookupFullHashes</h4>
<b>lookupFullHashes</b>(<i>hashValues</i>)
+
<p>
Public method to get a list of threat lists and expiration flag
for the given hashes if a hash is blacklisted.
-</p><dl>
+</p>
+<dl>
+
<dt><i>hashValues</i> (list of bytes)</dt>
<dd>
list of hash values to look up
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Returns:</dt>
<dd>
list of tuples containing the threat list info and the
expiration flag
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Return Type:</dt>
<dd>
list of tuple of (ThreatList, bool)
</dd>
-</dl><a NAME="SafeBrowsingCache.lookupHashPrefix" ID="SafeBrowsingCache.lookupHashPrefix"></a>
+</dl>
+<a NAME="SafeBrowsingCache.lookupHashPrefix" ID="SafeBrowsingCache.lookupHashPrefix"></a>
<h4>SafeBrowsingCache.lookupHashPrefix</h4>
<b>lookupHashPrefix</b>(<i>prefixes</i>)
+
<p>
Public method to look up hash prefixes in the local cache.
-</p><dl>
+</p>
+<dl>
+
<dt><i>prefixes</i> (list of bytes)</dt>
<dd>
list of hash prefixes to look up
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Returns:</dt>
<dd>
list of tuples containing the threat list, full hash and
negative cache expiration flag
</dd>
-</dl><dl>
+</dl>
+<dl>
<dt>Return Type:</dt>
<dd>
list of tuple of (ThreatList, bytes, bool)
</dd>
-</dl><a NAME="SafeBrowsingCache.populateHashPrefixList" ID="SafeBrowsingCache.populateHashPrefixList"></a>
+</dl>
+<a NAME="SafeBrowsingCache.populateHashPrefixList" ID="SafeBrowsingCache.populateHashPrefixList"></a>
<h4>SafeBrowsingCache.populateHashPrefixList</h4>
<b>populateHashPrefixList</b>(<i>threatList, prefixes</i>)
+
<p>
Public method to populate the hash prefixes for a threat list.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list of the hash prefixes
-</dd><dt><i>prefixes</i> (HashPrefixList)</dt>
+</dd>
+<dt><i>prefixes</i> (HashPrefixList)</dt>
<dd>
list of hash prefixes to be inserted
</dd>
-</dl><a NAME="SafeBrowsingCache.prepareCacheDb" ID="SafeBrowsingCache.prepareCacheDb"></a>
+</dl>
+<a NAME="SafeBrowsingCache.prepareCacheDb" ID="SafeBrowsingCache.prepareCacheDb"></a>
<h4>SafeBrowsingCache.prepareCacheDb</h4>
<b>prepareCacheDb</b>(<i></i>)
+
<p>
Public method to prepare the cache database.
-</p><a NAME="SafeBrowsingCache.removeHashPrefixIndices" ID="SafeBrowsingCache.removeHashPrefixIndices"></a>
+</p>
+<a NAME="SafeBrowsingCache.removeHashPrefixIndices" ID="SafeBrowsingCache.removeHashPrefixIndices"></a>
<h4>SafeBrowsingCache.removeHashPrefixIndices</h4>
<b>removeHashPrefixIndices</b>(<i>threatList, indexes</i>)
+
<p>
Public method to remove hash prefixes from the cache.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list to delete hash prefixes of
-</dd><dt><i>indexes</i> (list of int)</dt>
+</dd>
+<dt><i>indexes</i> (list of int)</dt>
<dd>
list of indexes of prefixes to be removed
</dd>
-</dl><a NAME="SafeBrowsingCache.storeFullHash" ID="SafeBrowsingCache.storeFullHash"></a>
+</dl>
+<a NAME="SafeBrowsingCache.storeFullHash" ID="SafeBrowsingCache.storeFullHash"></a>
<h4>SafeBrowsingCache.storeFullHash</h4>
<b>storeFullHash</b>(<i>threatList, hashValue, cacheDuration, malwareThreatType</i>)
+
<p>
Public method to store full hash data in the cache database.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list info object
-</dd><dt><i>hashValue</i> (bytes)</dt>
+</dd>
+<dt><i>hashValue</i> (bytes)</dt>
<dd>
hash to be stored
-</dd><dt><i>cacheDuration</i> (int or float)</dt>
+</dd>
+<dt><i>cacheDuration</i> (int or float)</dt>
<dd>
duration the data should remain in the cache
-</dd><dt><i>malwareThreatType</i> (str)</dt>
+</dd>
+<dt><i>malwareThreatType</i> (str)</dt>
<dd>
threat type of the malware
</dd>
-</dl><a NAME="SafeBrowsingCache.updateHashPrefixExpiration" ID="SafeBrowsingCache.updateHashPrefixExpiration"></a>
+</dl>
+<a NAME="SafeBrowsingCache.updateHashPrefixExpiration" ID="SafeBrowsingCache.updateHashPrefixExpiration"></a>
<h4>SafeBrowsingCache.updateHashPrefixExpiration</h4>
<b>updateHashPrefixExpiration</b>(<i>threatList, hashPrefix, negativeCacheDuration</i>)
+
<p>
Public method to update the hash prefix expiration time.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list info object
-</dd><dt><i>hashPrefix</i> (bytes)</dt>
+</dd>
+<dt><i>hashPrefix</i> (bytes)</dt>
<dd>
hash prefix
-</dd><dt><i>negativeCacheDuration</i> (int or float)</dt>
+</dd>
+<dt><i>negativeCacheDuration</i> (int or float)</dt>
<dd>
time in seconds the entry should remain
in the cache
</dd>
-</dl><a NAME="SafeBrowsingCache.updateThreatListClientState" ID="SafeBrowsingCache.updateThreatListClientState"></a>
+</dl>
+<a NAME="SafeBrowsingCache.updateThreatListClientState" ID="SafeBrowsingCache.updateThreatListClientState"></a>
<h4>SafeBrowsingCache.updateThreatListClientState</h4>
<b>updateThreatListClientState</b>(<i>threatList, clientState</i>)
+
<p>
Public method to update the client state of a threat list.
-</p><dl>
+</p>
+<dl>
+
<dt><i>threatList</i> (ThreatList)</dt>
<dd>
threat list to update the client state for
-</dd><dt><i>clientState</i> (str)</dt>
+</dd>
+<dt><i>clientState</i> (str)</dt>
<dd>
new client state
</dd>
