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/**
* The API Handler handles all API http requests
*/
/*
* 2011 Peter 'Pita' Martischka (Primary Technology Ltd)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS-IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
var ERR = require("async-stacktrace");
var fs = require("fs");
var api = require("../db/API");
var padManager = require("../db/PadManager");
var randomString = require('ep_etherpad-lite/static/js/pad_utils').randomString;
//ensure we have an apikey
var apikey = null;
try
{
apikey = fs.readFileSync("./APIKEY.txt","utf8");
}
catch(e)
{
apikey = randomString(32);
fs.writeFileSync("./APIKEY.txt",apikey,"utf8");
}
//a list of all functions
var version =
{ "1":
{ "createGroup" : []
, "createGroupIfNotExistsFor" : ["groupMapper"]
, "deleteGroup" : ["groupID"]
, "listPads" : ["groupID"]
, "createPad" : ["padID", "text"]
, "createGroupPad" : ["groupID", "padName", "text"]
, "createAuthor" : ["name"]
, "createAuthorIfNotExistsFor": ["authorMapper" , "name"]
, "listPadsOfAuthor" : ["authorID"]
, "createSession" : ["groupID", "authorID", "validUntil"]
, "deleteSession" : ["sessionID"]
, "getSessionInfo" : ["sessionID"]
, "listSessionsOfGroup" : ["groupID"]
, "listSessionsOfAuthor" : ["authorID"]
, "getText" : ["padID", "rev"]
, "setText" : ["padID", "text"]
, "getHTML" : ["padID", "rev"]
, "setHTML" : ["padID", "html"]
, "getRevisionsCount" : ["padID"]
, "getLastEdited" : ["padID"]
, "deletePad" : ["padID"]
, "getReadOnlyID" : ["padID"]
, "setPublicStatus" : ["padID", "publicStatus"]
, "getPublicStatus" : ["padID"]
, "setPassword" : ["padID", "password"]
, "isPasswordProtected" : ["padID"]
, "listAuthorsOfPad" : ["padID"]
, "padUsersCount" : ["padID"]
}
, "1.1":
{ "createGroup" : []
, "createGroupIfNotExistsFor" : ["groupMapper"]
, "deleteGroup" : ["groupID"]
, "listPads" : ["groupID"]
, "createPad" : ["padID", "text"]
, "createGroupPad" : ["groupID", "padName", "text"]
, "createAuthor" : ["name"]
, "createAuthorIfNotExistsFor": ["authorMapper" , "name"]
, "listPadsOfAuthor" : ["authorID"]
, "createSession" : ["groupID", "authorID", "validUntil"]
, "deleteSession" : ["sessionID"]
, "getSessionInfo" : ["sessionID"]
, "listSessionsOfGroup" : ["groupID"]
, "listSessionsOfAuthor" : ["authorID"]
, "getText" : ["padID", "rev"]
, "setText" : ["padID", "text"]
, "getHTML" : ["padID", "rev"]
, "setHTML" : ["padID", "html"]
, "getRevisionsCount" : ["padID"]
, "getLastEdited" : ["padID"]
, "deletePad" : ["padID"]
, "getReadOnlyID" : ["padID"]
, "setPublicStatus" : ["padID", "publicStatus"]
, "getPublicStatus" : ["padID"]
, "setPassword" : ["padID", "password"]
, "isPasswordProtected" : ["padID"]
, "listAuthorsOfPad" : ["padID"]
, "padUsersCount" : ["padID"]
, "getAuthorName" : ["authorID"]
, "padUsers" : ["padID"]
, "sendClientsMessage" : ["padID", "msg"]
, "listAllGroups" : []
}
, "1.2":
{ "createGroup" : []
, "createGroupIfNotExistsFor" : ["groupMapper"]
, "deleteGroup" : ["groupID"]
, "listPads" : ["groupID"]
, "createPad" : ["padID", "text"]
, "createGroupPad" : ["groupID", "padName", "text"]
, "createAuthor" : ["name"]
, "createAuthorIfNotExistsFor": ["authorMapper" , "name"]
, "listPadsOfAuthor" : ["authorID"]
, "createSession" : ["groupID", "authorID", "validUntil"]
, "deleteSession" : ["sessionID"]
, "getSessionInfo" : ["sessionID"]
, "listSessionsOfGroup" : ["groupID"]
, "listSessionsOfAuthor" : ["authorID"]
, "getText" : ["padID", "rev"]
, "setText" : ["padID", "text"]
, "getHTML" : ["padID", "rev"]
, "setHTML" : ["padID", "html"]
, "getRevisionsCount" : ["padID"]
, "getLastEdited" : ["padID"]
, "deletePad" : ["padID"]
, "getReadOnlyID" : ["padID"]
, "setPublicStatus" : ["padID", "publicStatus"]
, "getPublicStatus" : ["padID"]
, "setPassword" : ["padID", "password"]
, "isPasswordProtected" : ["padID"]
, "listAuthorsOfPad" : ["padID"]
, "padUsersCount" : ["padID"]
, "getAuthorName" : ["authorID"]
, "padUsers" : ["padID"]
, "sendClientsMessage" : ["padID", "msg"]
, "listAllGroups" : []
, "checkToken" : []
}
, "1.2.1":
{ "createGroup" : []
, "createGroupIfNotExistsFor" : ["groupMapper"]
, "deleteGroup" : ["groupID"]
, "listPads" : ["groupID"]
, "listAllPads" : []
, "createPad" : ["padID", "text"]
, "createGroupPad" : ["groupID", "padName", "text"]
, "createAuthor" : ["name"]
, "createAuthorIfNotExistsFor": ["authorMapper" , "name"]
, "listPadsOfAuthor" : ["authorID"]
, "createSession" : ["groupID", "authorID", "validUntil"]
, "deleteSession" : ["sessionID"]
, "getSessionInfo" : ["sessionID"]
, "listSessionsOfGroup" : ["groupID"]
, "listSessionsOfAuthor" : ["authorID"]
, "getText" : ["padID", "rev"]
, "setText" : ["padID", "text"]
, "getHTML" : ["padID", "rev"]
, "setHTML" : ["padID", "html"]
, "getRevisionsCount" : ["padID"]
, "getLastEdited" : ["padID"]
, "deletePad" : ["padID"]
, "getReadOnlyID" : ["padID"]
, "setPublicStatus" : ["padID", "publicStatus"]
, "getPublicStatus" : ["padID"]
, "setPassword" : ["padID", "password"]
, "isPasswordProtected" : ["padID"]
, "listAuthorsOfPad" : ["padID"]
, "padUsersCount" : ["padID"]
, "getAuthorName" : ["authorID"]
, "padUsers" : ["padID"]
, "sendClientsMessage" : ["padID", "msg"]
, "listAllGroups" : []
, "checkToken" : []
}
, "1.2.7":
{ "createGroup" : []
, "createGroupIfNotExistsFor" : ["groupMapper"]
, "deleteGroup" : ["groupID"]
, "listPads" : ["groupID"]
, "listAllPads" : []
, "createDiffHTML" : ["padID", "startRev", "endRev"]
, "createPad" : ["padID", "text"]
, "createGroupPad" : ["groupID", "padName", "text"]
, "createAuthor" : ["name"]
, "createAuthorIfNotExistsFor": ["authorMapper" , "name"]
, "listPadsOfAuthor" : ["authorID"]
, "createSession" : ["groupID", "authorID", "validUntil"]
, "deleteSession" : ["sessionID"]
, "getSessionInfo" : ["sessionID"]
, "listSessionsOfGroup" : ["groupID"]
, "listSessionsOfAuthor" : ["authorID"]
, "getText" : ["padID", "rev"]
, "setText" : ["padID", "text"]
, "getHTML" : ["padID", "rev"]
, "setHTML" : ["padID", "html"]
, "getRevisionsCount" : ["padID"]
, "getLastEdited" : ["padID"]
, "deletePad" : ["padID"]
, "getReadOnlyID" : ["padID"]
, "setPublicStatus" : ["padID", "publicStatus"]
, "getPublicStatus" : ["padID"]
, "setPassword" : ["padID", "password"]
, "isPasswordProtected" : ["padID"]
, "listAuthorsOfPad" : ["padID"]
, "padUsersCount" : ["padID"]
, "getAuthorName" : ["authorID"]
, "padUsers" : ["padID"]
, "sendClientsMessage" : ["padID", "msg"]
, "listAllGroups" : []
, "checkToken" : []
, "getChatHistory" : ["padID"]
, "getChatHistory" : ["padID", "start", "end"]
, "getChatHead" : ["padID"]
}
};
// set the latest available API version here
exports.latestApiVersion = '1.2.7';
// exports the versions so it can be used by the new Swagger endpoint
exports.version = version;
/**
* Handles a HTTP API call
* @param functionName the name of the called function
* @param fields the params of the called function
* @req express request object
* @res express response object
*/
exports.handle = function(apiVersion, functionName, fields, req, res)
{
//check if this is a valid apiversion
var isKnownApiVersion = false;
for(var knownApiVersion in version)
{
if(knownApiVersion == apiVersion)
{
isKnownApiVersion = true;
break;
}
}
//say goodbye if this is an unkown API version
if(!isKnownApiVersion)
{
res.statusCode = 404;
res.send({code: 3, message: "no such api version", data: null});
return;
}
//check if this is a valid function name
var isKnownFunctionname = false;
for(var knownFunctionname in version[apiVersion])
{
if(knownFunctionname == functionName)
{
isKnownFunctionname = true;
break;
}
}
//say goodbye if this is a unkown function
if(!isKnownFunctionname)
{
res.send({code: 3, message: "no such function", data: null});
return;
}
//check the api key!
fields["apikey"] = fields["apikey"] || fields["api_key"];
if(fields["apikey"] != apikey.trim())
{
res.send({code: 4, message: "no or wrong API Key", data: null});
return;
}
//sanitize any pad id's before continuing
if(fields["padID"])
{
padManager.sanitizePadId(fields["padID"], function(padId)
{
fields["padID"] = padId;
callAPI(apiVersion, functionName, fields, req, res);
});
}
else if(fields["padName"])
{
padManager.sanitizePadId(fields["padName"], function(padId)
{
fields["padName"] = padId;
callAPI(apiVersion, functionName, fields, req, res);
});
}
else
{
callAPI(apiVersion, functionName, fields, req, res);
}
}
//calls the api function
function callAPI(apiVersion, functionName, fields, req, res)
{
//put the function parameters in an array
var functionParams = [];
for(var i=0;i<version[apiVersion][functionName].length;i++)
{
functionParams.push(fields[ version[apiVersion][functionName][i] ]);
}
//add a callback function to handle the response
functionParams.push(function(err, data)
{
// no error happend, everything is fine
if(err == null)
{
if(!data)
data = null;
res.send({code: 0, message: "ok", data: data});
}
// parameters were wrong and the api stopped execution, pass the error
else if(err.name == "apierror")
{
res.send({code: 1, message: err.message, data: null});
}
//an unkown error happend
else
{
res.send({code: 2, message: "internal error", data: null});
ERR(err);
}
});
//call the api function
api[functionName](functionParams[0],functionParams[1],functionParams[2],functionParams[3],functionParams[4]);
}
|
