blog-encrypt.js ➔ decryptAES - Code Metrics - Inspection of "v2.2.0 release" - MikeCoder/hexo-blog-encrypt - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Push — master ( 908e5f...70f013 )

by Dongxin

created 2019-06-18 10:56 UTC

blog-encrypt.js ➔ decryptAES B

↳ Parent: Project

Complexity

Conditions	4
Paths	93

Size

Total Lines	83
Code Lines	42

Duplication

Lines	0
Ratio	0 %

Importance

Changes	3
Bugs	0	Features	0

Metric	Value
cc	4
eloc	42
c	3
b	0
f	0
nc	93
nop	0
dl	0
loc	83
rs	8.872

How to fix Long Method

'use strict';

function decryptAES (password) {

  try {

    var decryptionError = String(document.getElementById('decryptionError').innerHTML);
    var noContentError = String(document.getElementById('noContentError').innerHTML);

  } catch (e) {

    decryptionError = 'Incorrect Password!';
    noContentError = 'No content to display!';

  }

  try {

    let content = CryptoJS.AES.decrypt(document.getElementById('encrypt-blog').innerHTML.trim(), password);
    content = content.toString(CryptoJS.enc.Utf8);
    content = decodeBase64(content);
    content = unescape(content);
    if (content === '') {

      throw new Error(noContentError); // ???

    } else {

      document.getElementById('encrypt-blog').style.display = 'inline';
      document.getElementById('encrypt-blog').innerHTML = '';

      // Use jquery to load some js code
      try {

        $('#encrypt-blog').html(content);

        // NO Style Change here
        {callback}
        // NO Style Change here

      } catch(e) {

        const errorInfo = '<p>'
                      + 'Some errors occurred, check the original file please.'
                      + 'Detailed exceptions are shown in console.'
                      + '</p>';
        console.error(e);
        $('#encrypt-blog').html(errorInfo);

      }

      document.getElementById('hbe-security').style.display = 'none';
      if (document.getElementById('toc-div')) {

        document.getElementById('toc-div').style.display = 'inline';

      }

    }

    // Call MathJax to render
    if(typeof MathJax !== 'undefined') {

      try {

        MathJax.Hub.Queue(
          ['resetEquationNumbers', MathJax.InputJax.TeX, ],
          ['PreProcess', MathJax.Hub, ],
          ['Reprocess', MathJax.Hub, ]
        );

      } catch (e) {

        console.log('Can\'t render with MathJax');

      }

    }

  } catch (e) {

    alert(decryptionError);
    console.log(e);
    return false;

  }

  return true;

}

function htmlDecode (str) {

  let s = '';
  if (str.length == 0) {

    return '';

  }

  s = str.replace(/&gt;/g, '&');
  s = s.replace(/&lt;/g, '<');
  s = s.replace(/&gt;/g, '>');
  s = s.replace(/&nbsp;/g, '    '); // ??? why not ' '
  s = s.replace(/'/g, '\'');
  s = s.replace(/&quot;/g, '"');
  s = s.replace(/<br>/g, '\n');
  return s;

}

function decodeBase64 (content) {

  content = CryptoJS.enc.Base64.parse(content);
  content = CryptoJS.enc.Utf8.stringify(content);
  return content;

}

function setCookie (cookieName, cookieValue, expireMinutes) {

  const expireTime = new Date(new Date().getTime() + 1000 * 60 * expireMinutes);
  document.cookie = `${ cookieName }=${ escape(cookieValue) }${ expireMinutes == null ? '' : `;expires=${ expireTime.toGMTString() }` }`;

}

function getCookie (cookieName) {

  if (document.cookie.length > 0) {

    let idx = document.cookie.indexOf(`${ cookieName }=`);
    if (idx != -1) {

      idx = idx + cookieName.length + 1;
      let idy = document.cookie.indexOf(';', idx);
      if (idy == -1) {

        idy = document.cookie.length;

      }
      return unescape(document.cookie.substring(idx, idy));

    }

  }
  return '';

}

// Since you decided to use jQuery.
$(document).ready(
  function () {

    const COOKIE_NAME = 'HBE-PASSWORD';

    let password = String(getCookie(COOKIE_NAME));
    console.log('Get password from Cookie:' + password);

    if (password != '') {

      if(!decryptAES(password)) {

        // Delete cookie
        setCookie(COOKIE_NAME, password, -5);

      }

    }

    console.log('Registering Enter for decrypt.');
    document.getElementById('pass').onkeypress = function (keyPressEvent) {

      password = String(document.getElementById('pass').value);
      if (keyPressEvent.keyCode === 13) {

        const result = decryptAES(password);

        if (result) {

          setCookie(COOKIE_NAME, password, 30);

        }

      }

    };

  }
);


1			'use strict';
2
3			function decryptAES (password) {
4
5			try {
6
7			var decryptionError = String(document.getElementById('decryptionError').innerHTML);
8			var noContentError = String(document.getElementById('noContentError').innerHTML);
9
10			} catch (e) {
11
12			decryptionError = 'Incorrect Password!';
13			noContentError = 'No content to display!';
14
15			}
16
17			try {
18
19			let content = CryptoJS.AES.decrypt(document.getElementById('encrypt-blog').innerHTML.trim(), password);
20			content = content.toString(CryptoJS.enc.Utf8);
21			content = decodeBase64(content);
22			content = unescape(content);
23			if (content === '') {
24
25			throw new Error(noContentError); // ???
26
27			} else {
28
29			document.getElementById('encrypt-blog').style.display = 'inline';
30			document.getElementById('encrypt-blog').innerHTML = '';
31
32			// Use jquery to load some js code
33			try {
34
35			$('#encrypt-blog').html(content);
36
37			// NO Style Change here
38			{callback}
39			// NO Style Change here
40
41			} catch(e) {
42
43			const errorInfo = '<p>'
44			+ 'Some errors occurred, check the original file please.'
45			+ 'Detailed exceptions are shown in console.'
46			+ '</p>';
47			console.error(e);
48			$('#encrypt-blog').html(errorInfo);
49
50			}
51
52			document.getElementById('hbe-security').style.display = 'none';
53			if (document.getElementById('toc-div')) {
54
55			document.getElementById('toc-div').style.display = 'inline';
56
57			}
58
59			}
60
61			// Call MathJax to render
62			if(typeof MathJax !== 'undefined') {
63
64			try {
65
66			MathJax.Hub.Queue(
67			['resetEquationNumbers', MathJax.InputJax.TeX, ],
68			['PreProcess', MathJax.Hub, ],
69			['Reprocess', MathJax.Hub, ]
70			);
71
72			} catch (e) {
73
74			console.log('Can\'t render with MathJax');
75
76			}
77
78			}
79
80			} catch (e) {
81
82			alert(decryptionError);
83			console.log(e);
84			return false;
85
86			}
87
88			return true;
89
90			}
91
92			function htmlDecode (str) {
93
94			let s = '';
95			if (str.length == 0) {
96
97			return '';
98
99			}
100
101			s = str.replace(/>/g, '&');
102			s = s.replace(/</g, '<');
103			s = s.replace(/>/g, '>');
104			s = s.replace(/ /g, ' '); // ??? why not ' '
105			s = s.replace(/'/g, '\'');
106			s = s.replace(/"/g, '"');
107			s = s.replace(/<br>/g, '\n');
108			return s;
109
110			}
111
112			function decodeBase64 (content) {
113
114			content = CryptoJS.enc.Base64.parse(content);
115			content = CryptoJS.enc.Utf8.stringify(content);
116			return content;
117
118			}
119
120			function setCookie (cookieName, cookieValue, expireMinutes) {
121
122			const expireTime = new Date(new Date().getTime() + 1000 * 60 * expireMinutes);
123			document.cookie = `${ cookieName }=${ escape(cookieValue) }${ expireMinutes == null ? '' : `;expires=${ expireTime.toGMTString() }` }`;
124
125			}
126
127			function getCookie (cookieName) {
128
129			if (document.cookie.length > 0) {
130
131			let idx = document.cookie.indexOf(`${ cookieName }=`);
132			if (idx != -1) {
133
134			idx = idx + cookieName.length + 1;
135			let idy = document.cookie.indexOf(';', idx);
136			if (idy == -1) {
137
138			idy = document.cookie.length;
139
140			}
141			return unescape(document.cookie.substring(idx, idy));
142
143			}
144
145			}
146			return '';
147
148			}
149
150			// Since you decided to use jQuery.
151			$(document).ready(
152			function () {
153
154			const COOKIE_NAME = 'HBE-PASSWORD';
155
156			let password = String(getCookie(COOKIE_NAME));
157			console.log('Get password from Cookie:' + password);
158
159			if (password != '') {
160
161			if(!decryptAES(password)) {
162
163			// Delete cookie
164			setCookie(COOKIE_NAME, password, -5);
165
166			}
167
168			}
169
170			console.log('Registering Enter for decrypt.');
171			document.getElementById('pass').onkeypress = function (keyPressEvent) {
172
173			password = String(document.getElementById('pass').value);
174			if (keyPressEvent.keyCode === 13) {
175
176			const result = decryptAES(password);
177
178			if (result) {
179
180			setCookie(COOKIE_NAME, password, 30);
181
182			}
183
184			}
185
186			};
187
188			}
189			);
190

MikeCoder / hexo-blog-encrypt

Push — master ( 908e5f...70f013 )

blog-encrypt.js ➔ decryptAES B

Complexity

Size

Duplication

Importance

How to fix Long Method

Long Method

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