[njs] Added base64url encoding for crypto hash and HMAC digests.

[Dmitry Volyntsev]

details:   http://hg.nginx.org/njs/rev/4af5bd887b3f
branches:  
changeset: 480:4af5bd887b3f
user:      Dmitry Volyntsev <xeioex at nginx.com>
date:      Mon Apr 02 17:12:52 2018 +0300
description:
Added base64url encoding for crypto hash and HMAC digests.

diffstat:

 njs/njs_crypto.c         |  5 +++++
 njs/test/njs_unit_test.c |  8 ++++++++
 2 files changed, 13 insertions(+), 0 deletions(-)

diffs (40 lines):

diff -r 75d291c00c1f -r 4af5bd887b3f njs/njs_crypto.c
--- a/njs/njs_crypto.c	Mon Apr 02 14:12:00 2018 +0300
+++ b/njs/njs_crypto.c	Mon Apr 02 17:12:52 2018 +0300
@@ -127,6 +127,11 @@ static njs_crypto_enc_t njs_encodings[] 
    },
 
    {
+     nxt_string("base64url"),
+     njs_string_base64url
+   },
+
+   {
     nxt_null_string,
     NULL
    }
diff -r 75d291c00c1f -r 4af5bd887b3f njs/test/njs_unit_test.c
--- a/njs/test/njs_unit_test.c	Mon Apr 02 14:12:00 2018 +0300
+++ b/njs/test/njs_unit_test.c	Mon Apr 02 17:12:52 2018 +0300
@@ -9088,6 +9088,10 @@ static njs_unit_test_t  njs_test[] =
       nxt_string("BtlFlCqiamG+GMPiK/GbvKjdK10=") },
 
     { nxt_string("var h = require('crypto').createHash('sha1');"
+                 "h.update('AB').digest('base64url')"),
+      nxt_string("BtlFlCqiamG-GMPiK_GbvKjdK10") },
+
+    { nxt_string("var h = require('crypto').createHash('sha1');"
                  "h.update('AB').digest().toString('base64')"),
       nxt_string("BtlFlCqiamG+GMPiK/GbvKjdK10=") },
 
@@ -9166,6 +9170,10 @@ static njs_unit_test_t  njs_test[] =
       nxt_string("rcYOA0WcS6589OttlzAAPpSQsi8=") },
 
     { nxt_string("var h = require('crypto').createHmac('sha1', 'secret key');"
+                 "h.update('AB').digest('base64url')"),
+      nxt_string("rcYOA0WcS6589OttlzAAPpSQsi8") },
+
+    { nxt_string("var h = require('crypto').createHmac('sha1', 'secret key');"
                  "h.update('AB').digest().toString('base64')"),
       nxt_string("rcYOA0WcS6589OttlzAAPpSQsi8=") },