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#!/usr/bin/python
# -*- coding: utf-8 -*-
import os
class PermsPanel:
    """Display all permissions found in the Manifest."""
    def __init__(self):
        self._perms = { }
        self._used = { }
                     
        self._load_all_definitions()
    def _load_all_definitions(self):
        """Load the database in memory."""
        with open(os.path.dirname(__file__) + '/androperms.db', 'r') as f:
            for line in f.readlines():
                perm = line.strip("\n").split("\t")
                for p in perm[1].split(" "):
                    if not p.startswith("android.permission."):
                        continue
                    if p not in self._perms:
                        self._perms[p] = []
                    call = perm[0].split("(")[0]
                    if call not in self._perms[p]:
                        self._perms[p].append(call)
    def filter_permissions(self, used):
        """Forget all permissions which are not used."""
        keep = {}
        for p in self._perms:
            if p in used:
                keep[p] = self._perms[p]
        self._perms = keep
        for p in keep:
            self._used[p] = []
    def check_call(self, addr, line):
        """Check if a call requires some rights."""
        for p in self._perms:
            for c in self._perms[p]:
                if line.find(c) > -1:
                    self._used[p].append([addr, c + "()"])
    def fill_tree(self, store):
        """Fill a treeview with all found permissions."""
        for p in self._used:
            if len(self._used[p]) > 0:
                it = store.append(None, [p, None])
                for f in self._used[p]:
                    store.append(it, ["0x%08x" % f[0], f[1]])
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