Move GraphiQL's JS into a separate file for ease of CSP

This commit is contained in:
Dan Palmer 2018-08-30 20:36:26 +01:00
parent 24ebc20bf4
commit e50e12bc9f
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GPG Key ID: DD869B28A1B7AA92
2 changed files with 121 additions and 118 deletions

View File

@ -0,0 +1,119 @@
(function() {
// Parse the cookie value for a CSRF token
var csrftoken;
var cookies = ('; ' + document.cookie).split('; csrftoken=');
if (cookies.length == 2)
csrftoken = cookies.pop().split(';').shift();
// Collect the URL parameters
var parameters = {};
window.location.hash.substr(1).split('&').forEach(function (entry) {
var eq = entry.indexOf('=');
if (eq >= 0) {
parameters[decodeURIComponent(entry.slice(0, eq))] =
decodeURIComponent(entry.slice(eq + 1));
}
});
// Produce a Location fragment string from a parameter object.
function locationQuery(params) {
return '#' + Object.keys(params).map(function (key) {
return encodeURIComponent(key) + '=' +
encodeURIComponent(params[key]);
}).join('&');
}
// Derive a fetch URL from the current URL, sans the GraphQL parameters.
var graphqlParamNames = {
query: true,
variables: true,
operationName: true
};
var otherParams = {};
for (var k in parameters) {
if (parameters.hasOwnProperty(k) && graphqlParamNames[k] !== true) {
otherParams[k] = parameters[k];
}
}
// If there are any fragment parameters, confirm the user wants to use them.
var isReload = window.performance ? performance.navigation.type === 1 : false;
var isQueryTrusted = Object.keys(parameters).length === 0 || isReload;
var fetchURL = locationQuery(otherParams);
// Defines a GraphQL fetcher using the fetch API.
function graphQLFetcher(graphQLParams) {
var isIntrospectionQuery = (
graphQLParams.query !== parameters.query
&& graphQLParams.query.indexOf('IntrospectionQuery') !== -1
);
if (!isQueryTrusted
&& !isIntrospectionQuery
&& !window.confirm("This query was loaded from a link, are you sure you want to execute it?")) {
return Promise.resolve('Aborting query.');
}
// We don't want to set this for the introspection query
if (!isIntrospectionQuery) {
isQueryTrusted = true;
}
var headers = {
'Accept': 'application/json',
'Content-Type': 'application/json'
};
if (csrftoken) {
headers['X-CSRFToken'] = csrftoken;
}
return fetch(fetchURL, {
method: 'post',
headers: headers,
body: JSON.stringify(graphQLParams),
credentials: 'include',
}).then(function (response) {
return response.text();
}).then(function (responseBody) {
try {
return JSON.parse(responseBody);
} catch (error) {
return responseBody;
}
});
}
// When the query and variables string is edited, update the URL bar so
// that it can be easily shared.
function onEditQuery(newQuery) {
parameters.query = newQuery;
updateURL();
}
function onEditVariables(newVariables) {
parameters.variables = newVariables;
updateURL();
}
function onEditOperationName(newOperationName) {
parameters.operationName = newOperationName;
updateURL();
}
function updateURL() {
history.replaceState(null, null, locationQuery(parameters));
}
var options = {
fetcher: graphQLFetcher,
onEditQuery: onEditQuery,
onEditVariables: onEditVariables,
onEditOperationName: onEditOperationName,
query: parameters.query,
}
if (parameters.variables) {
options.variables = parameters.variables;
}
if (parameters.operation_name) {
options.operationName = parameters.operation_name;
}
// Render <GraphiQL /> into the body.
ReactDOM.render(
React.createElement(GraphiQL, options),
document.body
);
})();

View File

@ -5,6 +5,7 @@ exploring GraphQL.
If you wish to receive JSON, provide the header "Accept: application/json" or
add "&raw" to the end of the URL within a browser.
-->
{% load static %}
<!DOCTYPE html>
<html>
<head>
@ -23,123 +24,6 @@ add "&raw" to the end of the URL within a browser.
<script src="//cdn.jsdelivr.net/npm/graphiql@{{graphiql_version}}/graphiql.min.js"></script>
</head>
<body>
<script>
// Parse the cookie value for a CSRF token
var csrftoken;
var cookies = ('; ' + document.cookie).split('; csrftoken=');
if (cookies.length == 2)
csrftoken = cookies.pop().split(';').shift();
// Collect the URL parameters
var parameters = {};
window.location.hash.substr(1).split('&').forEach(function (entry) {
var eq = entry.indexOf('=');
if (eq >= 0) {
parameters[decodeURIComponent(entry.slice(0, eq))] =
decodeURIComponent(entry.slice(eq + 1));
}
});
// Produce a Location fragment string from a parameter object.
function locationQuery(params) {
return '#' + Object.keys(params).map(function (key) {
return encodeURIComponent(key) + '=' +
encodeURIComponent(params[key]);
}).join('&');
}
// Derive a fetch URL from the current URL, sans the GraphQL parameters.
var graphqlParamNames = {
query: true,
variables: true,
operationName: true
};
var otherParams = {};
for (var k in parameters) {
if (parameters.hasOwnProperty(k) && graphqlParamNames[k] !== true) {
otherParams[k] = parameters[k];
}
}
// If there are any fragment parameters, confirm the user wants to use them.
var isReload = window.performance ? performance.navigation.type === 1 : false;
var isQueryTrusted = Object.keys(parameters).length === 0 || isReload;
var fetchURL = locationQuery(otherParams);
// Defines a GraphQL fetcher using the fetch API.
function graphQLFetcher(graphQLParams) {
var isIntrospectionQuery = (
graphQLParams.query !== parameters.query
&& graphQLParams.query.indexOf('IntrospectionQuery') !== -1
);
if (!isQueryTrusted
&& !isIntrospectionQuery
&& !window.confirm("This query was loaded from a link, are you sure you want to execute it?")) {
return Promise.resolve('Aborting query.');
}
// We don't want to set this for the introspection query
if (!isIntrospectionQuery) {
isQueryTrusted = true;
}
var headers = {
'Accept': 'application/json',
'Content-Type': 'application/json'
};
if (csrftoken) {
headers['X-CSRFToken'] = csrftoken;
}
return fetch(fetchURL, {
method: 'post',
headers: headers,
body: JSON.stringify(graphQLParams),
credentials: 'include',
}).then(function (response) {
return response.text();
}).then(function (responseBody) {
try {
return JSON.parse(responseBody);
} catch (error) {
return responseBody;
}
});
}
// When the query and variables string is edited, update the URL bar so
// that it can be easily shared.
function onEditQuery(newQuery) {
parameters.query = newQuery;
updateURL();
}
function onEditVariables(newVariables) {
parameters.variables = newVariables;
updateURL();
}
function onEditOperationName(newOperationName) {
parameters.operationName = newOperationName;
updateURL();
}
function updateURL() {
history.replaceState(null, null, locationQuery(parameters));
}
var options = {
fetcher: graphQLFetcher,
onEditQuery: onEditQuery,
onEditVariables: onEditVariables,
onEditOperationName: onEditOperationName,
query: parameters.query,
}
if (parameters.variables) {
options.variables = parameters.variables;
}
if (parameters.operation_name) {
options.operationName = parameters.operation_name;
}
// Render <GraphiQL /> into the body.
ReactDOM.render(
React.createElement(GraphiQL, options),
document.body
);
</script>
<script src="{% static "graphene_django/graphiql.js" %}"></script>
</body>
</html>