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3 lines
9.9 KiB
3 lines
9.9 KiB
9 years ago
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/*! jws-3.2.4 (c) 2013-2015 Kenji Urushima | kjur.github.com/jsrsasign/license
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*/
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if(typeof KJUR=="undefined"||!KJUR){KJUR={}}if(typeof KJUR.jws=="undefined"||!KJUR.jws){KJUR.jws={}}KJUR.jws.JWS=function(){var i=KJUR.jws.JWS;this.parseJWS=function(o,q){if((this.parsedJWS!==undefined)&&(q||(this.parsedJWS.sigvalH!==undefined))){return}if(o.match(/^([^.]+)\.([^.]+)\.([^.]+)$/)==null){throw"JWS signature is not a form of 'Head.Payload.SigValue'."}var r=RegExp.$1;var m=RegExp.$2;var s=RegExp.$3;var u=r+"."+m;this.parsedJWS={};this.parsedJWS.headB64U=r;this.parsedJWS.payloadB64U=m;this.parsedJWS.sigvalB64U=s;this.parsedJWS.si=u;if(!q){var p=b64utohex(s);var n=parseBigInt(p,16);this.parsedJWS.sigvalH=p;this.parsedJWS.sigvalBI=n}var l=b64utoutf8(r);var t=b64utoutf8(m);this.parsedJWS.headS=l;this.parsedJWS.payloadS=t;if(!i.isSafeJSONString(l,this.parsedJWS,"headP")){throw"malformed JSON string for JWS Head: "+l}};function b(m,l){return utf8tob64u(m)+"."+utf8tob64u(l)}function f(n,m){var l=function(o){return KJUR.crypto.Util.hashString(o,m)};if(l==null){throw"hash function not defined in jsrsasign: "+m}return l(n)}function h(r,o,l,p,n){var q=b(r,o);var m=parseBigInt(l,16);return _rsasign_verifySignatureWithArgs(q,m,p,n)}this.verifyJWSByNE=function(n,m,l){this.parseJWS(n);return _rsasign_verifySignatureWithArgs(this.parsedJWS.si,this.parsedJWS.sigvalBI,m,l)};this.verifyJWSByKey=function(o,n){this.parseJWS(o);var l=c(this.parsedJWS.headP);var m=this.parsedJWS.headP.alg.substr(0,2)=="PS";if(n.hashAndVerify){return n.hashAndVerify(l,new Buffer(this.parsedJWS.si,"utf8").toString("base64"),b64utob64(this.parsedJWS.sigvalB64U),"base64",m)}else{if(m){return n.verifyStringPSS(this.parsedJWS.si,this.parsedJWS.sigvalH,l)}else{return n.verifyString(this.parsedJWS.si,this.parsedJWS.sigvalH)}}};this.verifyJWSByPemX509Cert=function(n,l){this.parseJWS(n);var m=new X509();m.readCertPEM(l);return m.subjectPublicKeyRSA.verifyString(this.parsedJWS.si,this.parsedJWS.sigvalH)};function c(m){var n=m.alg;var l="";if(n!="RS256"&&n!="RS512"&&n!="PS256"&&n!="PS512"){throw"JWS signature algorithm not supported: "+n}if(n.substr(2)=="256"){l="sha256"}if(n.substr(2)=="512"){l="sha512"}return l}function e(l){return c(jsonParse(l))}function k(l,q,t,n,r,s){var o=new RSAKey();o.setPrivate(n,r,s);var m=e(l);var p=o.signString(t,m);return p}function j(r,q,p,o,n){var l=null;if(typeof n=="undefined"){l=e(r)}else{l=c(n)}var m=n.alg.substr(0,2)=="PS";if(o.hashAndSign){return b64tob64u(o.hashAndSign(l,p,"binary","base64",m))}else{if(m){return hextob64u(o.signStringPSS(p,l))}else{return hextob64u(o.signString(p,l))}}}function g(q,n,p,m,o){var l=b(q,n);return k(q,n,l,p,m,o)}this.generateJWSByNED=function(s,o,r,n,q){if(!i.isSafeJSONString(s)){throw"JWS Head is not safe JSON string: "+s}var m=b(s,o);var p=k(s,o,m,r,n,q);var l=hextob64u(p);this.parsedJWS={};this.parsedJWS.headB64U=m.split(".")[0];this.parsedJWS.payloadB64U=m.split(".")[1];this.parsedJWS.sigvalB64U=l;return m+"."+l};this.generateJWSByKey=function(q,o,l){var p={};if(!i.isSafeJSONString(q,p,"headP")){throw"JWS Head is not safe JSON string: "+q}var n=b(q,o);var m=j(q,o,n,l,p.headP);this.parsedJWS={};this.parsedJWS.headB64U=n.split(".")[0];this.parsedJWS.payloadB64U=n.split(".")[1];this.parsedJWS.sigvalB64U=m;return n+"."+m};function d(r,q,p,m){var o=new RSAKey();o.readPrivateKeyFromPEMString(m);var l=e(r);var n=o.signString(p,l);return n}this.generateJWSByP1PrvKey=function(q,o,l){if(!i.isSafeJSONString(q)){throw"JWS Head is not safe JSON string: "+q}var n=b(q,o);var p=d(q,o,n,l);var m=hextob64u(p);this.parsedJWS={};this.parsedJWS.headB64U=n.split(".")[0];this.parsedJWS.payloadB64U=n.split(".")[1];this.parsedJWS.sigvalB64U=m;return n+"."+m}};KJUR.jws.JWS.sign=function(b,p,i,l,k){var j=KJUR.jws.JWS;if(!j.isSafeJSONString(p)){throw"JWS Head is not safe JSON string: "+p}var e=j.readSafeJSONString(p);if((b==""||b==null)&&e.alg!==undefined){b=e.alg}if((b!=""&&b!=null)&&e.alg===undefined){e.alg=b;p=JSON.stringify(e)}var d=null;if(j.jwsalg2sigalg[b]===undefined){throw"unsupported alg name: "+b}else{d=j.jwsalg2sigalg[b]}var c=utf8tob64u(p);var g=utf8tob64u(i);var n=c+"."+g;var m="";if(d.substr(0,4)=="
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