ng-jhipster
Version:
A Jhipster util library for Angular
95 lines (91 loc) • 11.9 kB
JavaScript
/*
Copyright 2013-2020 the original author or authors from the JHipster project.
This file is part of the JHipster project, see https://www.jhipster.tech/
for more information.
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.
*/
/* eslint no-bitwise: off */
import { Injectable } from '@angular/core';
import * as i0 from "@angular/core";
export class JhiBase64Service {
constructor() {
this.keyStr = 'ABCDEFGHIJKLMNOP' + 'QRSTUVWXYZabcdef' + 'ghijklmnopqrstuv' + 'wxyz0123456789+/' + '=';
}
encode(input) {
let output = '';
let enc1 = '';
let enc2 = '';
let enc3 = '';
let enc4 = '';
let chr1 = '';
let chr2 = '';
let chr3 = '';
let i = 0;
while (i < input.length) {
chr1 = input.charCodeAt(i++);
chr2 = input.charCodeAt(i++);
chr3 = input.charCodeAt(i++);
enc1 = chr1 >> 2;
enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
enc4 = chr3 & 63;
if (isNaN(chr2)) {
enc3 = enc4 = 64;
}
else if (isNaN(chr3)) {
enc4 = 64;
}
output = output + this.keyStr.charAt(enc1) + this.keyStr.charAt(enc2) + this.keyStr.charAt(enc3) + this.keyStr.charAt(enc4);
chr1 = chr2 = chr3 = '';
enc1 = enc2 = enc3 = enc4 = '';
}
return output;
}
decode(input) {
let output = '';
let enc1 = '';
let enc2 = '';
let enc3 = '';
let enc4 = '';
let chr1 = '';
let chr2 = '';
let chr3 = '';
let i = 0;
// remove all characters that are not A-Z, a-z, 0-9, +, /, or =
input = input.replace(/[^A-Za-z0-9+/=]/g, '');
while (i < input.length) {
enc1 = this.keyStr.indexOf(input.charAt(i++));
enc2 = this.keyStr.indexOf(input.charAt(i++));
enc3 = this.keyStr.indexOf(input.charAt(i++));
enc4 = this.keyStr.indexOf(input.charAt(i++));
chr1 = (enc1 << 2) | (enc2 >> 4);
chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
chr3 = ((enc3 & 3) << 6) | enc4;
output = output + String.fromCharCode(chr1);
if (enc3 !== 64) {
output = output + String.fromCharCode(chr2);
}
if (enc4 !== 64) {
output = output + String.fromCharCode(chr3);
}
chr1 = chr2 = chr3 = '';
enc1 = enc2 = enc3 = enc4 = '';
}
return output;
}
}
JhiBase64Service.ɵprov = i0.ɵɵdefineInjectable({ factory: function JhiBase64Service_Factory() { return new JhiBase64Service(); }, token: JhiBase64Service, providedIn: "root" });
JhiBase64Service.decorators = [
{ type: Injectable, args: [{
providedIn: 'root'
},] }
];
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Copyright 2013-2020 the original author or authors from the JHipster project.\n\n This file is part of the JHipster project, see https://www.jhipster.tech/\n for more information.\n\n Licensed under the Apache License, Version 2.0 (the \"License\");\n you may not use this file except in compliance with the License.\n You may obtain a copy of the License at\n\n http://www.apache.org/licenses/LICENSE-2.0\n\n Unless required by applicable law or agreed to in writing, software\n distributed under the License is distributed on an \"AS IS\" BASIS,\n WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\n See the License for the specific language governing permissions and\n limitations under the License.\n */\n/* eslint no-bitwise: off */\nimport { Injectable } from '@angular/core';\n\n@Injectable({\n    providedIn: 'root'\n})\nexport class JhiBase64Service {\n    private keyStr: string = 'ABCDEFGHIJKLMNOP' + 'QRSTUVWXYZabcdef' + 'ghijklmnopqrstuv' + 'wxyz0123456789+/' + '=';\n\n    encode(input) {\n        let output = '';\n        let enc1: any = '';\n        let enc2: any = '';\n        let enc3: any = '';\n        let enc4: any = '';\n        let chr1: any = '';\n        let chr2: any = '';\n        let chr3: any = '';\n        let i = 0;\n\n        while (i < input.length) {\n            chr1 = input.charCodeAt(i++);\n            chr2 = input.charCodeAt(i++);\n            chr3 = input.charCodeAt(i++);\n\n            enc1 = chr1 >> 2;\n            enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);\n            enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);\n            enc4 = chr3 & 63;\n\n            if (isNaN(chr2)) {\n                enc3 = enc4 = 64;\n            } else if (isNaN(chr3)) {\n                enc4 = 64;\n            }\n\n            output = output + this.keyStr.charAt(enc1) + this.keyStr.charAt(enc2) + this.keyStr.charAt(enc3) + this.keyStr.charAt(enc4);\n            chr1 = chr2 = chr3 = '';\n            enc1 = enc2 = enc3 = enc4 = '';\n        }\n\n        return output;\n    }\n\n    decode(input) {\n        let output = '';\n        let enc1: any = '';\n        let enc2: any = '';\n        let enc3: any = '';\n        let enc4: any = '';\n        let chr1: any = '';\n        let chr2: any = '';\n        let chr3: any = '';\n        let i = 0;\n\n        // remove all characters that are not A-Z, a-z, 0-9, +, /, or =\n        input = input.replace(/[^A-Za-z0-9+/=]/g, '');\n\n        while (i < input.length) {\n            enc1 = this.keyStr.indexOf(input.charAt(i++));\n            enc2 = this.keyStr.indexOf(input.charAt(i++));\n            enc3 = this.keyStr.indexOf(input.charAt(i++));\n            enc4 = this.keyStr.indexOf(input.charAt(i++));\n\n            chr1 = (enc1 << 2) | (enc2 >> 4);\n            chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);\n            chr3 = ((enc3 & 3) << 6) | enc4;\n\n            output = output + String.fromCharCode(chr1);\n\n            if (enc3 !== 64) {\n                output = output + String.fromCharCode(chr2);\n            }\n            if (enc4 !== 64) {\n                output = output + String.fromCharCode(chr3);\n            }\n\n            chr1 = chr2 = chr3 = '';\n            enc1 = enc2 = enc3 = enc4 = '';\n        }\n\n        return output;\n    }\n}\n"]}