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Revision 13a707c6

Added by koszko over 1 year ago

serialize and deserialize entire Response object when relaying fetch() calls to other contexts using sendMessage

View differences:

common/misc.js
42 42 
 * proprietary program, I am not going to enforce this in court.
43 43 
 */
44 44 

  		




  45
  
  
    
/* uint8_to_hex is a separate function used in cryptographic functions. */


  		




  
  45
  
    
/*


  		




  
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 * uint8_to_hex is a separate function used in cryptographic functions and when


  		




  
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 * dealing with binary data.


  		




  
  48
  
    
 */


  		




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const uint8_to_hex =


  		




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      array => [...array].map(b => ("0" + b.toString(16)).slice(-2)).join("");


  		




  
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#EXPORT uint8_to_hex


  		




  48
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/*


  		




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 * Asynchronously compute hex string representation of a sha256 digest of a


  		




  ......




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 * Generate a unique value that can be computed synchronously and is impossible


  		




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 * to guess for a malicious website.


  		




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 */


  		




  64
  
  
    
function gen_nonce(length=16)


  		




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{


  		




  
  68
  
    
function gen_nonce(length=16) {


  		




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    const random_data = new Uint8Array(length);


  		




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    crypto.getRandomValues(random_data);


  		




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    return uint8_to_hex(random_data);


  		




  ......




  71
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/* Check if some HTTP header might define CSP rules. */


  		




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const csp_header_regex =


  		




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      /^\s*(content-security-policy|x-webkit-csp|x-content-security-policy)/i;


  		




  
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      /^\s*(content-security-policy|x-webkit-csp|x-content-security-policy)\s*$/i;


  		




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#EXPORT csp_header_regex


  		




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/*


  		




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 * Print item together with type, e.g.


  		




  79
  
  
    
 * nice_name("s", "hello") → "hello (script)"


  		




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 */


  		




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#EXPORT  (prefix, name) => `${name} (${TYPE_NAME[prefix]})`  AS nice_name


  		




  82
  
  
    

  		




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/*


  		




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 * Check if url corresponds to a browser's special page (or a directory index in


  		




  85
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 * case of `file://' protocol).


  		




  ......




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const priv_reg = /^chrome(-extension)?:\/\/|^about:|^view-source:|^file:\/\/[^?#]*\/([?#]|$)/;


  		




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#ENDIF


  		




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#EXPORT  url => priv_reg.test(url)  AS is_privileged_url


  		




  
  90
  
    

  		




  
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/* Make it possible to serialize en Error object. */


  		




  
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function error_data_jsonifiable(error) {


  		




  
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    const jsonifiable = {};


  		




  
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    for (const property of ["name", "message", "fileName", "lineNumber"])


  		




  
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	jsonifiable[property] = error[property];


  		




  
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    return jsonifiable;


  		




  
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}


  		




  
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#EXPORT error_data_jsonifiable


  		












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