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|
<%
/*
* Copyright:
* (C) 2006 by Derrell Lipman
* All rights reserved
*
* License:
* LGPL 2.1: http://creativecommons.org/licenses/LGPL/2.1/
*/
/*
* JSON-RPC mappings to the ldb ejs functions
*/
/* We'll be saving resources in the session */
jsonrpc_include("resources.esp");
/**
* Connect to a database
*
* @param params[0]
* Database name
*
* @param params[1..n]
* Option (e.g. "modules:modlist")
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: The resource id to be used for future access to the database
* Failure: -1
*
* @note
* Credentials or session_info may be set up first.
*/
function _connect(params, error)
{
if (params.length < 1)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <db_name> [<option> ...]");
return error;
}
ldb = ldb_init();
var ret = ldb.connect(params[0]);
if (ret && ldb.db)
{
return session.resources.set(ldb,
session.resources.Type.ldb,
error);
}
else
{
error.setError(-1, "ldb.connect failed");
return error;
}
}
jsonrpc.method.connect = _connect;
/**
* Close a database
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: Will only fail with invalid parameters, and throws an error
*/
function _close(params, error)
{
if (params.length != 1)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
var ret = ldb.close();
/* If close succeeded, release the stored resource */
if (ret)
{
session.resources.release(params[0], error);
}
return ret;
}
jsonrpc.method.close = _close;
/**
* Begin a transaction
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: False
*/
function _transaction_start(params, error)
{
if (params.length != 1)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.transaction_start();
}
jsonrpc.method.transaction_start = _transaction_start;
/**
* Cancel a transaction
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: False
*/
function _transaction_cancel(params, error)
{
if (params.length != 1)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.transaction_cancel();
}
jsonrpc.method.transaction_cancel = _transaction_cancel;
/**
* Commit a transaction
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: False
*/
function _transaction_commit(params, error)
{
if (params.length != 1)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.transaction_commit();
}
jsonrpc.method.transaction_commit = _transaction_commit;
/**
* Issue a Search request
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* Search expression
*
* @param params[2]
* Base DN
*
* @param params[3]
* Scope: "default", "base", "one" or "subtree"
*
* @param params[4]
* Attributes: an array object
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: found object
* Failure: `undefined`
*
* @note
* If params[4] is missing, assume no attributes
* If params[3..4] are missing, also assume "default" scope
* If params[2..4] are missing, also assume null base DN
*/
function _search(params, error)
{
if (params.length < 2 || params.length > 5)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: " +
"<resource_id> <expr> [<baseDN> [<scope> [<attrs>]]]");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
/* Retrieve parameters */
var expr = params[1];
var baseDN = params[2];
var scope = params[3];
var attrs = params[4];
/* Fill in optional parameters */
if (params.length < 3) baseDN = null;
if (params.length < 4) scope = "one";
if (params.length < 5) attrs = null;
/* Determine scope value */
if (scope == "base")
{
scope = ldb.SCOPE_BASE;
}
else if (scope == "one")
{
scope = ldb.SCOPE_ONE;
}
else if (scope == "subtree")
{
scope = ldb.SCOPE_SUBTREE;
}
else if (scope == "default")
{
scope = ldb.SCOPE_DEFAULT;
}
else
{
error.setError(JsonRpcError_ParameterMismatch,
"invalid scope");
return error;
}
return ldb.transaction_search(expr, baseDN, scope, attrs);
}
jsonrpc.method.search = _search;
/**
* Add data to the database
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* An LDIF string representing the data to be added
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: False
*/
function _add(params, error)
{
if (params.length != 2)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id> <ldif>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.add(params[1]);
}
jsonrpc.method.add = _add;
/**
* Modify data in the database
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* An LDIF string representing the data to be modified
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: False
*/
function _modify(params, error)
{
if (params.length != 2)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id> <ldif>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.modify(params[1]);
}
jsonrpc.method.modify = _modify;
/**
* Delete data from the database
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* The DN to be located and deleted
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: False
*/
function _del(params, error)
{
if (params.length != 2)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id> <dn>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.del(params[1]);
}
jsonrpc.method.del = _del;
/**
* Rename data in the database
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* The DN to be renamed
*
* @param params[2]
* The new name for the DN being renamed
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: True
* Failure: False
*/
function _rename(params, error)
{
if (params.length != 3)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id> <old_dn> <new_dn>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.rename(params[1], params[2]);
}
jsonrpc.method.rename = _rename;
/**
* Base64-encode a string
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* The string to be base64 encoded
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: encoded string
* Failure: `undefined`
*/
function _base64encode(params, error)
{
if (params.length != 2)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id> <string_to_be_encoded>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.base64encode(params[1]);
}
jsonrpc.method.base64encode = _base64encode;
/**
* Base64-decode a string
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* The string to be base64 decoded
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: decoded string
* Failure: `undefined`
*/
function _base64decode(params, error)
{
if (params.length != 2)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id> <string_to_be_decoded>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.base64decode(params[1]);
}
jsonrpc.method.base64decode = _base64decode;
/**
* escape a DN
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param params[1]
* The DN to be escaped
*
* @param error
* An object of class JsonRpcError.
*
* @return
* Success: escaped string
* Failure: undefined
*/
function _base64decode(params, error)
{
if (params.length != 2)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id> <string_to_be_decoded>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.base64decode(params[1]);
}
jsonrpc.method.base64decode = _base64decode;
/**
* Retrieve a description of the most recent error
*
* @param params[0]
* The resource id of the open database, previously returned by connect()
*
* @param error
* An object of class JsonRpcError.
*
* @return
* The most recent error string for the ldb specified by the resource id
*/
function _errstring(params, error)
{
if (params.length != 1)
{
error.setError(JsonRpcError_ParameterMismatch,
"usage: <resource_id>");
return error;
}
ldb = session.resources.get(params[0],
session.resources.Type.ldb,
error);
if (ldb["__type"] == "_JsonRpcError")
{
return ldb;
}
return ldb.errstring();
}
jsonrpc.method.errstring = _errstring;
/*
* Local Variables:
* mode: c
* End:
*/
%>
|
