static aclList parsePermissions(xmlNode *node, aclList policyList) {
xmlNode *cur_node = node;
policyPtr accessNode = null;
if (cur_node && cur_node->type == XML_ELEMENT_NODE && !strcmp(cur_node->name, permissionsTagName)) {
for (cur_node = node->children; cur_node; cur_node = cur_node->next) {
if (cur_node->type == XML_ELEMENT_NODE) {
if (!strcmp(cur_node->name, allowTagName)) {
accessNode = parsePermission(cur_node, 1);
if (accessNode) {
insertAtBack(policyList, accessNode);
} else {
return null;
}
} else if (!strcmp(cur_node->name, denyTagName)) {
accessNode = parsePermission(cur_node, 0);
if (accessNode) {
insertAtStart(policyList, accessNode);
} else {
return null;
}
} else {
fprintf(stderr, "\nInvalid Element:%s\n", cur_node->name);
}
}
}
} else {
fprintf(stderr, "Expected element : %s, as root node but found:%s", permissionsTagName, cur_node->name);
}
return policyList;
}
ScriptPromise Permissions::revoke(ScriptState* scriptState, const Dictionary& rawPermission)
{
WebPermissionClient* client = getClient(scriptState->getExecutionContext());
if (!client)
return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "In its current state, the global scope can't revoke permissions."));
ExceptionState exceptionState(ExceptionState::GetterContext, "revoke", "Permissions", scriptState->context()->Global(), scriptState->isolate());
Nullable<WebPermissionType> type = parsePermission(scriptState, rawPermission, exceptionState);
if (exceptionState.hadException())
return exceptionState.reject(scriptState);
ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
ScriptPromise promise = resolver->promise();
client->revokePermission(type.get(), KURL(KURL(), scriptState->getExecutionContext()->getSecurityOrigin()->toString()), new PermissionCallback(resolver, type.get()));
return promise;
}
ScriptPromise Permissions::query(ScriptState* scriptState, const Dictionary& rawPermission)
{
WebPermissionClient* client = getClient(scriptState->getExecutionContext());
if (!client)
return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "In its current state, the global scope can't query permissions."));
ExceptionState exceptionState(ExceptionState::GetterContext, "query", "Permissions", scriptState->context()->Global(), scriptState->isolate());
Nullable<WebPermissionType> type = parsePermission(scriptState, rawPermission, exceptionState);
if (exceptionState.hadException())
return exceptionState.reject(scriptState);
ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
ScriptPromise promise = resolver->promise();
// If the current origin is a file scheme, it will unlikely return a
// meaningful value because most APIs are broken on file scheme and no
// permission prompt will be shown even if the returned permission will most
// likely be "prompt".
client->queryPermission(type.get(), KURL(KURL(), scriptState->getExecutionContext()->getSecurityOrigin()->toString()), new PermissionCallback(resolver, type.get()));
return promise;
}
ScriptPromise Permissions::requestAll(ScriptState* scriptState, const Vector<Dictionary>& rawPermissions)
{
WebPermissionClient* client = getClient(scriptState->getExecutionContext());
if (!client)
return ScriptPromise::rejectWithDOMException(scriptState, DOMException::create(InvalidStateError, "In its current state, the global scope can't request permissions."));
ExceptionState exceptionState(ExceptionState::GetterContext, "request", "Permissions", scriptState->context()->Global(), scriptState->isolate());
OwnPtr<Vector<WebPermissionType>> internalPermissions = adoptPtr(new Vector<WebPermissionType>());
OwnPtr<Vector<int>> callerIndexToInternalIndex = adoptPtr(new Vector<int>(rawPermissions.size()));
for (size_t i = 0; i < rawPermissions.size(); ++i) {
const Dictionary& rawPermission = rawPermissions[i];
Nullable<WebPermissionType> type = parsePermission(scriptState, rawPermission, exceptionState);
if (exceptionState.hadException())
return exceptionState.reject(scriptState);
// Only append permissions to the vector that is passed to the client if it is not already
// in the vector (i.e. do not duplicate permisison types).
int internalIndex;
auto it = internalPermissions->find(type.get());
if (it == kNotFound) {
internalIndex = internalPermissions->size();
internalPermissions->append(type.get());
} else {
internalIndex = it;
}
callerIndexToInternalIndex->operator[](i) = internalIndex;
}
ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
ScriptPromise promise = resolver->promise();
WebVector<WebPermissionType> internalWebPermissions = *internalPermissions;
client->requestPermissions(internalWebPermissions, KURL(KURL(), scriptState->getExecutionContext()->getSecurityOrigin()->toString()),
new PermissionsCallback(resolver, internalPermissions.release(), callerIndexToInternalIndex.release()));
return promise;
}
