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template.tpl
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template.tpl
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___TERMS_OF_SERVICE___
By creating or modifying this file you agree to Google Tag Manager's Community
Template Gallery Developer Terms of Service available at
https://developers.google.com/tag-manager/gallery-tos (or such other URL as
Google may provide), as modified from time to time.
___INFO___
{
"type": "MACRO",
"id": "cvt_temp_public_id",
"version": 1,
"securityGroups": [],
"displayName": "Clean or Redact PII from URLs",
"description": "Cleans PII from URLs by deleting, redacting, or masking query parameters based on key or value, with support for regular expressions.",
"containerContexts": [
"SERVER"
]
}
___TEMPLATE_PARAMETERS___
[
{
"type": "TEXT",
"name": "url",
"displayName": "URL",
"simpleValueType": true,
"valueHint": "https://domain.com"
},
{
"type": "PARAM_TABLE",
"name": "paramKeys",
"displayName": "Query Parameter Keys",
"paramTableColumns": [
{
"param": {
"type": "TEXT",
"name": "keyContents",
"displayName": "Parameter key",
"simpleValueType": true,
"help": "The parameter key or name"
},
"isUnique": false
},
{
"param": {
"type": "SELECT",
"name": "matchCondition",
"displayName": "Match Condition",
"macrosInSelect": false,
"selectItems": [
{
"value": "equals",
"displayValue": "equals"
},
{
"value": "equalsIgnore",
"displayValue": "equals (ignore case)"
},
{
"value": "matchesRegEx",
"displayValue": "matches RegEx"
},
{
"value": "matchesRegExIgnore",
"displayValue": "matches RegEx (ignore case)"
}
],
"simpleValueType": true
},
"isUnique": false
},
{
"param": {
"type": "SELECT",
"name": "replacementType",
"displayName": "Replacement Type",
"macrosInSelect": false,
"selectItems": [
{
"value": "Redact",
"displayValue": "Redact"
},
{
"value": "Delete",
"displayValue": "Delete"
},
{
"value": "Mask",
"displayValue": "Mask"
}
],
"simpleValueType": true
},
"isUnique": false
},
{
"param": {
"type": "TEXT",
"name": "replacement",
"displayName": "Replacement",
"simpleValueType": true,
"defaultValue": "[redact]",
"enablingConditions": [
{
"paramName": "replacementType",
"paramValue": "Redact",
"type": "EQUALS"
}
]
},
"isUnique": false
}
],
"help": "List the query parameter keys to redact, delete or mask. You can use different matching condition options.",
"newRowButtonText": "New Parameter Key"
},
{
"type": "PARAM_TABLE",
"name": "paramValues",
"displayName": "Query Parameter Values",
"paramTableColumns": [
{
"param": {
"type": "TEXT",
"name": "regex",
"displayName": "Parameter value regex",
"simpleValueType": true,
"help": "Examples: \u003csmall\u003e\u003cbr\u003eEmail: \u003cem\u003e[aA-zZ0-9._]+(@|%40)[aA-zZ0-9.-]+.[aA-zZ]\u003c/em\u003e\u003cbr\u003ePhone: \u003cem\u003e(\\+\\d+\\s)?\\(?\\d+\\)?[\\s.-]\\d+[\\s.-]\\d+\u003c/em\u003e\u003c/small\u003e"
},
"isUnique": false
},
{
"param": {
"type": "SELECT",
"name": "replacementType",
"displayName": "Replacement Type",
"macrosInSelect": false,
"selectItems": [
{
"value": "Redact",
"displayValue": "Redact"
},
{
"value": "Delete",
"displayValue": "Delete"
},
{
"value": "Mask",
"displayValue": "Mask"
}
],
"simpleValueType": true
},
"isUnique": false
},
{
"param": {
"type": "TEXT",
"name": "replacement",
"displayName": "Replacement",
"simpleValueType": true,
"defaultValue": "[redact]",
"enablingConditions": [
{
"paramName": "replacementType",
"paramValue": "Redact",
"type": "EQUALS"
}
]
},
"isUnique": false
}
],
"help": "Query parameter values with dynamic or unknown keys can be redacted if the value matches a specified regular expression.",
"newRowButtonText": "New Parameter Value"
}
]
___SANDBOXED_JS_FOR_SERVER___
// APIs
// const log = require('logToConsole');
const decodeUri = require('decodeUri');
const decodeUriComponent = require('decodeUriComponent');
const encodeUriComponent = require('encodeUriComponent');
const Object = require('Object');
const getType = require('getType');
const parseUrl = require('parseUrl');
const sha256Sync = require('sha256Sync');
// Inputs
const config = {
//
uri: data.url || '',
paramKeys: data.paramKeys || [],
paramValues: data.paramValues || [],
// advanced
decodeUri: getType(data.decodeUri) !== 'undefined' ? data.decodeUri : true
};
// functions
const doReplacements = function(text, row) {
const match = text.match(row.regex);
let textReplacement = row.replacement || '[redacted]';
if (row.replacementType && row.replacementType == 'Delete') {
textReplacement = '[delete]';
}
if (match) {
if (row.replacementType && row.replacementType == 'Mask') {
textReplacement = sha256Sync(match[0], {outputEncoding: 'hex'});
}
return doReplacements(
text.replace(match[0], textReplacement),
row
);
}
return text;
};
const shouldRedact = function(key, row) {
// we find if any of the query patterns match
if (row.matchCondition == "equals") {
return row.keyContents === key;
}
if (row.matchCondition == "equalsIgnore") {
return row.keyContents.toLowerCase() === key.toLowerCase();
}
if (row.matchCondition == "matchesRegEx") {
return key.match(row.keyContents);
}
// regex ignore case
return key.toLowerCase().match(row.keyContents.toLowerCase());
};
// logic
const urlObject = config.decodeUri ?
parseUrl(decodeUriComponent(config.uri)) : parseUrl(config.uri);
// double checking
if (getType(urlObject) === 'undefined' || !urlObject.search) {
return config.uri;
}
const newParams = Object.entries(urlObject.searchParams).map((entry) => {
// if the value type is not string (could be array), replacement is not supported
if (getType(entry[1]) !== 'string') {
return entry[0] + '=' + entry[1];
}
for (let i = 0; i < config.paramKeys.length; i++) {
let row = config.paramKeys[i];
if (shouldRedact(entry[0], row)) {
if (row.replacementType && row.replacementType == "Delete") {
return null;
}
if (!entry[1]) {
return entry[0] + '=';
}
if (row.replacementType && row.replacementType == "Mask") {
return entry[0] + '=' + sha256Sync(entry[1], {outputEncoding: 'hex'});
}
return entry[0] + '=' + row.replacement;
}
}
let paramValue = encodeUriComponent(entry[1]);
paramValue = Object.values(config.paramValues)
.reduce((value, row) => {
return doReplacements(
value,
row);
}, paramValue);
if (paramValue == '[delete]') {
return null;
}
return entry[0] + '=' + paramValue;
}, '').filter(a => a).join('&');
const newParamsText = newParams ? '?' + newParams : '';
// return
return urlObject.origin + urlObject.pathname + newParamsText + urlObject.hash;
___TESTS___
scenarios:
- name: Test parameter key patterns - Not decoding URI
code: |-
const mockData = {
url: 'https://mydomain.com/?foo=bar&other_param=Keep&1_Param1=My%20Value%20Here&20_Name=John&30_Phone=123456890&30_Email=test%40domain.com&40_Message=this%20is%20just%20a%20test%20msg',
paramKeys: [
{
keyContents: '\\d+',
replacement: '[redacted]'
}
],
decodeUri: false
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://mydomain.com/?foo=bar&other_param=Keep&1_Param1=[redacted]&20_Name=[redacted]&30_Phone=[redacted]&30_Email=[redacted]&40_Message=[redacted]');
- name: Test parameter key patterns - Decoding URI
code: |-
const mockData = {
url: 'https://mydomain.com/?foo=bar&other=Keep&1_Value=My%20Values%20Here&10_Name=Maria&20_Phone=123456890&30_Email=test%40domain.com&40_Message=this%20is%20just%20a%20test%20msg',
paramKeys: [
{
keyContents: '\\d+',
replacement: '[redacted]'
}
],
decodeUri: false
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://mydomain.com/?foo=bar&other=Keep&1_Value=[redacted]&10_Name=[redacted]&20_Phone=[redacted]&30_Email=[redacted]&40_Message=[redacted]');
- name: Test Query Parameter Key Patterns - Double encoding
code: |-
const mockData = {
url: 'https://mydomain.com/?foo=bar&1_Param=My%252520Test%252520Message&10_Name=test&20_Phone=123456890&30_Email=test%40domain.com&40_Message=this%2520is%2520just%2520a%2520test%2520msg',
paramKeys: [
{
keyContents: '\\d+',
replacement: '[redacted]'
}
], decodeUri: false
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://mydomain.com/?foo=bar&1_Param=[redacted]&10_Name=[redacted]&20_Phone=[redacted]&30_Email=[redacted]&40_Message=[redacted]');
- name: Test param values
code: |-
const mockData = {
url: 'https://mydomain.com/?30_Email=test%40domain.com&foo=bar',
paramKeys: '',
paramValues: [
{
regex: '[aA-zZ0-9._]+(@|%40)[aA-zZ0-9.-]+.[aA-zZ]',
replacement: '[email]'
}
],
decodeUri: true
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://mydomain.com/?30_Email=[email]&foo=bar');
- name: Test param values 2
code: |-
const mockData = {
url: 'https://mydomain.com/?1_Phone=1234568900&2_Phone=123-456-8900&3_Phone=123.456.8900&4_Phone=(123)-456.8900&5_Phone=123 456 7890&6_Phone=+91(123) 456-7890&foo=bar',
paramKeys: '',
paramValues: [
{
regex: '(%20[0-9]+(%20| )?)?(\\(|%28)?[0-9]{3}(\\)|%29)?(%20| )?[.-]?[0-9]{3}(%20| )?[.-]?[0-9]{4}',
replacement: '[phone]'
}
],
decodeUri: true
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://mydomain.com/?1_Phone=[phone]&2_Phone=[phone]&3_Phone=[phone]&4_Phone=[phone]&5_Phone=[phone]&6_Phone=[phone]&foo=bar');
- name: Test with spaces
code: |-
const mockData = {
url: 'https://www.test.com/subpath?success=1&10_Name=my%20name&[email protected]&30_Phone=1234567890&40_Message=this%20is%20a%20test%20message,%20please%20ignore',
paramKeys: [
{
keyContents: '\\d+',
replacement: '[redacted]'
}
], decodeUri: false
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://www.test.com/subpath?success=1&10_Name=[redacted]&20_Email=[redacted]&30_Phone=[redacted]&40_Message=[redacted]');
- name: Test without query parameters
code: |-
const mockData = {
url: 'https://www.test.com/thank-you-info/',
paramKeys: [
{
keyContents: '\\d+',
replacement: '[redacted]'
}
], decodeUri: false
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://www.test.com/thank-you-info/');
- name: Test with empty params
code: |-
const mockData = {
url: 'https://www.test.com/thank-you-info/?Foo=bar+foo&5_From_Page=https://www.site.com/&10_Name=&[email protected]&30_Phone=1234567890&40_Message=this%20is%20a%20test%20message,%20please%20ignore',
paramKeys: [
{
keyContents: '\\d+',
replacement: '[redacted]'
}
], decodeUri: false
};
// Call runCode to run the template's code.
let variableResult = runCode(mockData);
// Verify that the variable returns a result.
assertThat(variableResult).isEqualTo('https://www.test.com/thank-you-info/?Foo=bar%20foo&5_From_Page=[redacted]&10_Name=&20_Email=[redacted]&30_Phone=[redacted]&40_Message=[redacted]');
- name: Test more than 1
code: "const mockData = {\n url: 'https://www.test.com/path/?foo=bar+foo&10_Name=&[email protected]&30_Phone=1234567890&40_Message=this%20is%20a%20test%20message,%20please%20ignore&utm_content=content&utm_source=newsletter&utm_medium=email&keep=this',\n\
\ paramKeys: [\n {\n keyContents: 'foo',\n replacement: '[redacted]'\n\
\ },\n {\n keyContents: 'utm_',\n replacement: '[redacted]'\n\
\ },\n {\n keyContents: '\\\\d+',\n replacement: '[redacted]'\n\
\ },\n ], \n decodeUri: false\n};\n\n// Call runCode to run the template's\
\ code.\nlet variableResult = runCode(mockData);\n\n// Verify that the variable\
\ returns a result.\nassertThat(variableResult).isEqualTo('https://www.test.com/path/?foo=[redacted]&10_Name=&20_Email=[redacted]&30_Phone=[redacted]&40_Message=[redacted]&utm_content=[redacted]&utm_source=[redacted]&utm_medium=[redacted]&keep=this');"
- name: Test key diff cases
code: "const mockData = {\n url: 'https://www.test.com/?foo=encode&foOO=KEEP&equalsIgnorE=encode&dontIgnoreCasE=KEEP&redactThis=encode&myregENCODEthis=encode',\n\
\ paramKeys: [\n {\n keyContents: 'foo',\n replacement: '[redacted]',\n\
\ matchCondition: 'equals'\n },\n {\n keyContents: 'fooO',\n \
\ replacement: '[redacted]',\n matchCondition: 'equals'\n }, \n\
\ {\n keyContents: 'equalsIgnore',\n replacement: '[redacted]',\n\
\ matchCondition: 'equalsIgnore' \n },\n {\n keyContents:\
\ 'dontIgnoreCase',\n replacement: '[redacted]',\n matchCondition: 'matchesRegEx'\n\
\ },\n {\n keyContents: 'redactThis',\n replacement: '[redacted]',\n\
\ matchCondition: 'matchesRegEx'\n }, \n {\n keyContents: 'myregEncode',\n\
\ replacement: '[redacted]',\n matchCondition: 'matchesRegExIgnore'\n\
\ },\n ],\n decodeUri: false\n};\n\n// Call runCode to run the template's\
\ code.\nlet variableResult = runCode(mockData);\n\n// Verify that the variable\
\ returns a result.\nassertThat(variableResult).isEqualTo('https://www.test.com/?foo=[redacted]&foOO=KEEP&equalsIgnorE=[redacted]&dontIgnoreCasE=KEEP&redactThis=[redacted]&myregENCODEthis=[redacted]');"
- name: Test key diff cases - Delete
code: "const mockData = {\n url: 'https://www.test.com/?foo=encode&foOO=KEEP&equalsIgnorE=encode&dontIgnoreCasE=KEEP&redactThis=encode&myregENCODEthis=encode',\n\
\ paramKeys: [\n {\n keyContents: 'foo',\n replacement: '[redacted]',\n\
\ matchCondition: 'equals',\n replacementType: 'Delete'\n },\n \
\ {\n keyContents: 'fooO',\n replacement: '[redacted]',\n matchCondition:\
\ 'equals',\n replacementType: 'Delete' \n }, \n {\n keyContents:\
\ 'equalsIgnore',\n replacement: '[redacted]',\n matchCondition: 'equalsIgnore',\n\
\ replacementType: 'Delete' \n },\n {\n keyContents: 'dontIgnoreCase',\n\
\ replacement: '[redacted]',\n matchCondition: 'matchesRegEx',\n \
\ replacementType: 'Delete' \n },\n {\n keyContents: 'redactThis',\n\
\ replacement: '[redacted]',\n matchCondition: 'matchesRegEx',\n \
\ replacementType: 'Delete' \n }, \n {\n keyContents: 'myregEncode',\n\
\ replacement: '[redacted]',\n matchCondition: 'matchesRegExIgnore',\n\
\ replacementType: 'Delete' \n },\n ],\n decodeUri: false\n};\n\n\
// Call runCode to run the template's code.\nlet variableResult = runCode(mockData);\n\
\n// Verify that the variable returns a result.\nassertThat(variableResult).isEqualTo('https://www.test.com/?foOO=KEEP&dontIgnoreCasE=KEEP');"
- name: Test key diff cases - Mask
code: "const mockData = {\n url: 'https://www.test.com/?foo=encode1&foOO=KEEP&equalsIgnorE=encode2&dontIgnoreCasE=KEEP&redactThis=encode3&myregENCODEthis=encode4',\n\
\ paramKeys: [\n {\n keyContents: 'foo',\n replacement: '[redacted]',\n\
\ matchCondition: 'equals',\n replacementType: 'Mask'\n },\n {\n\
\ keyContents: 'fooO',\n replacement: '[redacted]',\n matchCondition:\
\ 'equals',\n replacementType: 'Mask' \n }, \n {\n keyContents:\
\ 'equalsIgnore',\n replacement: '[redacted]',\n matchCondition: 'equalsIgnore',\n\
\ replacementType: 'Mask' \n },\n {\n keyContents: 'dontIgnoreCase',\n\
\ replacement: '[redacted]',\n matchCondition: 'matchesRegEx',\n \
\ replacementType: 'Mask' \n },\n {\n keyContents: 'redactThis',\n\
\ replacement: '[redacted]',\n matchCondition: 'matchesRegEx',\n \
\ replacementType: 'Mask' \n }, \n {\n keyContents: 'myregEncode',\n\
\ replacement: '[redacted]',\n matchCondition: 'matchesRegExIgnore',\n\
\ replacementType: 'Mask' \n },\n ],\n decodeUri: false\n};\n\n//\
\ Call runCode to run the template's code.\nlet variableResult = runCode(mockData);\n\
\n// Verify that the variable returns a result.\nassertThat(variableResult).isEqualTo('https://www.test.com/?foo=1ff34b0a335cb280c6771fe316bf5c4930885a6bf8eaaeb96e0658d527e04656&foOO=KEEP&equalsIgnorE=e70ebb2e5b6aad2b9f0cc6528919912b0e0b9f00d5e5c6960739cede48199a48&dontIgnoreCasE=KEEP&redactThis=61d31032d59cb9db0a94c4737403fa23e63b9e753e26f20ba47ed3313098cb8d&myregENCODEthis=05c08c6ab8e1edb4ac9896d223c4cb3033e26c8ed2b37f7735bbdbc3469838dc');"
___NOTES___
Created on 9/10/2024, 12:38:15 AM