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rmboyle/Example Run

Last active January 20, 2021 15:30
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Raw
annotation_model.conf
[request_definition]
r = sub, obj, act
[policy_definition]
p = sub, obj, act, eft
[role_definition]
g = _, _
[policy_effect]
e = some(where (p.eft == allow)) && !some(where (p.eft == deny))
[matchers]
m = g(r.sub, p.sub) && (r.obj == p.obj || p.obj == "*") && r.act == p.act
Raw
backgroundAnnotation.js
export const backgroundAnnotation = {
uniqueId: '8ceccd67-bc73-4a38-b19a-54ba7aa97fd0',
last_sync_time: '12-25-2020',
index: 0,
page_id: 123,
creation_mode: 'EDIT',
creation_permission: 'SELLER',
type: 'BackgroundImage',
metadata: {
fabric_object: JSON.stringify({
context: { mode: 'EDIT', permission: 'SELLER', userId: 'system' },
type: 'BackgroundImage',
imageData: {
type: 'image',
version: '3.6.3',
originX: 'left',
originY: 'top',
left: 175,
top: 20,
width: 1240,
height: 1755,
fill: 'rgb(0,0,0)',
stroke: null,
strokeWidth: 0,
strokeDashArray: null,
strokeLineCap: 'butt',
strokeDashOffset: 0,
strokeLineJoin: 'miter',
strokeMiterLimit: 4,
scaleX: 0.28,
scaleY: 0.28,
angle: 0,
flipX: false,
flipY: false,
opacity: 1,
shadow: null,
visible: true,
clipTo: null,
backgroundColor: '',
fillRule: 'nonzero',
paintFirst: 'fill',
globalCompositeOperation: 'source-over',
transformMatrix: null,
skewX: 0,
skewY: 0,
crossOrigin: '',
cropX: 0,
cropY: 0,
src:
'https://tpt-digital-tool-dev.s3.amazonaws.com/assets/images/61/222b90bcea4da2982f54a8e1890a9b/page_-3.png',
filters: []
},
studentData: null
})
}
};
Raw
Example Run
Perf script
Diff 23.715888
Casbin 2024.049177
Raw
penAnnotation.js
const penAnnotation = {
uniqueId: '8ceccd67-bc73-4a38-b19a-54ba7aa97fd1',
last_sync_time: '12-26-2020',
index: 1,
page_id: 123,
creation_mode: 'EDIT',
creation_permission: 'TEACHER',
type: 'Pen',
metadata: {
fabric_object: JSON.stringify({
pathData: {
type: 'path',
version: '3.6.3',
originX: 'left',
originY: 'top',
left: 61.84,
top: 97.33,
width: 236.17,
height: 123.47,
fill: null,
stroke: '#0F6EEE',
strokeWidth: 5,
strokeDashArray: null,
strokeLineCap: 'round',
strokeDashOffset: 0,
strokeLineJoin: 'round',
strokeMiterLimit: 10,
scaleX: 1,
scaleY: 1,
angle: 0,
flipX: false,
flipY: false,
opacity: 1,
shadow: null,
visible: true,
clipTo: null,
backgroundColor: '',
fillRule: 'nonzero',
paintFirst: 'fill',
globalCompositeOperation: 'source-over',
transformMatrix: null,
skewX: 0,
skewY: 0,
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}
};
Raw
perf.js
const { performance, PerformanceObserver } = require('perf_hooks');
const { newEnforcer } = require('casbin');
const get = require('lodash.get');
const textAnnotation = require('tests/textAnnotation');
const penAnnotation = require('tests/penAnnotation');
const backgroundAnnotation = require('tests/backgroundAnnotation');
const obs = new PerformanceObserver((items) => {
items.getEntries().forEach((item) => {
console.log(item.name, +' ' + item.duration);
});
});
obs.observe({ entryTypes: ['measure'] });
console.log('Perf script');
const annotations = [backgroundAnnotation, textAnnotation, penAnnotation];
// Diff Performance
// Trivial Diffing
// 1.) Runs for DIFF_ITERATIONS count
// 2.) Chooses 1 of the 3 annotation types and diffs it against itself with a fabric object change
const DIFF_ITERATIONS = 10000;
// Casbin Performance
// Trivial Casbin Enforcements
// 1.) Runs for CASBIN_ITERATIONS count
// 2.) Create a new enforcer and run the current subject + change through the enforcer
// Note this will mimic a student changing the student data
const CASBIN_ITERATIONS = 10000;
const getObjectDiff = (o1, o2) => {
// Targeted Approach to Diffing
const KEYS_TO_DIFF = [
'index',
'creation_mode',
'creation_permission',
'metadata.fabric_object',
'studentAnswer'
];
return KEYS_TO_DIFF.filter((k) => {
return get(o1, k) !== get(o2, k);
});
};
const run = async () => {
performance.mark('Starting Diff');
for (let i = 0; i < DIFF_ITERATIONS; i++) {
// Run diff on current iterations annotation
const annotation = annotations[i % 3];
// Assumes it is just an annotation change
const annotationCopy = {
...annotation,
metadata: { fabric_object: '123' }
};
// Basic Diffing process
const difference = getObjectDiff(annotation, annotationCopy);
console.log(difference);
}
performance.mark('Ending Diff');
// Casbin Performance
performance.mark('Starting Casbin');
for (let i = 0; i < CASBIN_ITERATIONS; i++) {
// Run diff on current iterations annotation
// Creating a new enforcer each time to avoid any caching that might occur
const enforcer = await newEnforcer(
'tests/annotation_model.conf',
'tests/teacher_policy.csv'
);
const sub = 'student'; // the user that wants to access a resource.
const obj = 'studentData'; // the resource that is going to be accessed.
const act = 'write'; // the operation that the user performs on the resource.
const res = await enforcer.enforce(sub, obj, act);
if (res) {
// permit student to write studentData
} else {
// deny the request, show an error
}
}
performance.mark('Ending Casbin');
performance.measure('Diff', 'Starting Diff', 'Ending Diff');
performance.measure('Casbin', 'Starting Casbin', 'Ending Casbin');
};
run();
Raw
teacher_policy.csv
p student * write allow
p teacher * write allow
p student * read allow
p teacher * read allow
p teacher studentData write deny
Raw
textAnnotation.js
export const textAnnotation = {
uniqueId: '8ceccd67-bc73-4a38-b19a-54ba7aa97fd2',
last_sync_time: '12-27-2020',
index: 1,
page_id: 123,
creation_mode: 'EDIT',
creation_permission: 'TEACHER',
type: 'Text',
metadata: {
fabric_object: JSON.stringify({
context: {
mode: 'EDIT',
permission: 'TEACHER',
userId: '10882193'
},
type: 'Text',
textboxData: {
type: 'textbox',
version: '3.6.3',
originX: 'left',
originY: 'top',
left: 108.89,
top: 271.82,
width: 100,
height: 13.56,
fill: '#0F6EEE',
stroke: null,
strokeWidth: 1,
strokeDashArray: null,
strokeLineCap: 'butt',
strokeDashOffset: 0,
strokeLineJoin: 'miter',
strokeMiterLimit: 4,
scaleX: 1,
scaleY: 1,
angle: 0,
flipX: false,
flipY: false,
opacity: 1,
shadow: null,
visible: true,
clipTo: null,
backgroundColor: '',
fillRule: 'nonzero',
paintFirst: 'fill',
globalCompositeOperation: 'source-over',
transformMatrix: null,
skewX: 0,
skewY: 0,
text: 'Hello text',
fontSize: 12,
fontWeight: 'normal',
fontFamily: 'arial',
fontStyle: 'normal',
lineHeight: 1.16,
underline: false,
overline: false,
linethrough: false,
textAlign: 'left',
textBackgroundColor: '',
charSpacing: 0,
minWidth: 20,
splitByGrapheme: false,
styles: {}
},
shouldAutoScale: true
})
}
};
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