jws-3.2.min.js

/*! jws-3.2.4 (c) 2013-2015 Kenji Urushima | kjur.github.com/jsrsasign/license
 */
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)=="Hmac"){if(l===undefined){throw"hexadecimal key shall be specified for HMAC"}var h=new KJUR.crypto.Mac({alg:d,pass:hextorstr(l)});h.updateString(n);m=h.doFinal()}else{if(d.indexOf("withECDSA")!=-1){var o=new KJUR.crypto.Signature({alg:d});o.init(l,k);o.updateString(n);hASN1Sig=o.sign();m=KJUR.crypto.ECDSA.asn1SigToConcatSig(hASN1Sig)}else{if(d!="none"){var o=new KJUR.crypto.Signature({alg:d});o.init(l,k);o.updateString(n);m=o.sign()}}}var f=hextob64u(m);return n+"."+f};KJUR.jws.JWS.verify=function(o,s,j){var l=KJUR.jws.JWS;var p=o.split(".");var d=p[0];var k=p[1];var b=d+"."+k;var q=b64utohex(p[2]);var i=l.readSafeJSONString(b64utoutf8(p[0]));var h=null;var r=null;if(i.alg===undefined){throw"algorithm not specified in header"}else{h=i.alg;r=h.substr(0,2)}if(j!=null&&Object.prototype.toString.call(j)==="[object Array]"&&j.length>0){var c=":"+j.join(":")+":";if(c.indexOf(":"+h+":")==-1){throw"algorithm '"+h+"' not accepted in the list"}}if(h!="none"&&s===null){throw"key shall be specified to verify."}if(r=="HS"){if(typeof s!="string"&&s.length!=0&&s.length%2!=0&&!s.match(/^[0-9A-Fa-f]+/)){throw"key shall be a hexadecimal str for HS* algs"}}if(typeof s=="string"&&s.indexOf("-----BEGIN ")!=-1){s=KEYUTIL.getKey(s)}if(r=="RS"||r=="PS"){if(!(s instanceof RSAKey)){throw"key shall be a RSAKey obj for RS* and PS* algs"}}if(r=="ES"){if(!(s instanceof KJUR.crypto.ECDSA)){throw"key shall be a ECDSA obj for ES* algs"}}if(h=="none"){}var m=null;if(l.jwsalg2sigalg[i.alg]===undefined){throw"unsupported alg name: "+h}else{m=l.jwsalg2sigalg[h]}if(m=="none"){throw"not supported"}else{if(m.substr(0,4)=="Hmac"){if(s===undefined){throw"hexadecimal key shall be specified for HMAC"}var g=new KJUR.crypto.Mac({alg:m,pass:hextorstr(s)});g.updateString(b);hSig2=g.doFinal();return q==hSig2}else{if(m.indexOf("withECDSA")!=-1){var f=null;try{f=KJUR.crypto.ECDSA.concatSigToASN1Sig(q)}catch(n){return false}var e=new KJUR.crypto.Signature({alg:m});e.init(s);e.updateString(b);return e.verify(f)}else{var e=new KJUR.crypto.Signature({alg:m});e.init(s);e.updateString(b);return e.verify(q)}}}};KJUR.jws.JWS.verifyJWT=function(d,j,l){var h=KJUR.jws.JWS;var i=d.split(".");var c=i[0];var g=i[1];var m=c+"."+g;var k=b64utohex(i[2]);var f=h.readSafeJSONString(b64utoutf8(c));var e=h.readSafeJSONString(b64utoutf8(g));if(f.alg===undefined){return false}if(l.alg===undefined){throw"acceptField.alg shall be specified"}if(!h.inArray(f.alg,l.alg)){return false}if(e.iss!==undefined&&typeof l.iss==="object"){if(!h.inArray(e.iss,l.iss)){return false}}if(e.sub!==undefined&&typeof l.sub==="object"){if(!h.inArray(e.sub,l.sub)){return false}}if(e.aud!==undefined&&typeof l.aud==="object"){if(typeof e.aud=="string"){if(!h.inArray(e.aud,l.aud)){return false}}else{if(typeof e.aud=="object"){if(!h.includedArray(e.aud,l.aud)){return false}}}}var b=KJUR.jws.IntDate.getNow();if(l.verifyAt!==undefined&&typeof l.verifyAt=="number"){b=l.verifyAt}if(e.exp!==undefined&&typeof e.exp=="number"){if(e.exp<b){return false}}if(e.nbf!==undefined&&typeof e.nbf=="number"){if(b<e.nbf){return false}}if(e.iat!==undefined&&typeof e.iat=="number"){if(b<e.iat){return false}}if(e.jti!==undefined&&l.jti!==undefined){if(e.jti!==l.jti){return false}}if(!KJUR.jws.JWS.verify(d,j,l.alg)){return false}return true};KJUR.jws.JWS.includedArray=function(c,b){var e=KJUR.jws.JWS.inArray;if(c===null){return false}if(typeof c!=="object"){return false}if(typeof c.length!=="number"){return false}for(var d=0;d<c.length;d++){if(!e(c[d],b)){return false}}return true};KJUR.jws.JWS.inArray=function(d,b){if(b===null){return false}if(typeof b!=="object"){return false}if(typeof b.length!=="number"){return false}for(var c=0;c<b.length;c++){if(b[c]==d){return true}}return false};KJUR.jws.JWS.jwsalg2sigalg={HS256:"HmacSHA256",HS384:"HmacSHA384",HS512:"HmacSHA512",RS256:"SHA256withRSA",RS384:"SHA384withRSA",RS512:"SHA512withRSA",ES256:"SHA256withECDSA",ES384:"SHA384withECDSA",PS256:"SHA256withRSAandMGF1",PS384:"SHA384withRSAandMGF1",PS512:"SHA512withRSAandMGF1",none:"none",};KJUR.jws.JWS.isSafeJSONString=function(d,c,e){var f=null;try{f=jsonParse(d);if(typeof f!="object"){return 0}if(f.constructor===Array){return 0}if(c){c[e]=f}return 1}catch(b){return 0}};KJUR.jws.JWS.readSafeJSONString=function(c){var d=null;try{d=jsonParse(c);if(typeof d!="object"){return null}if(d.constructor===Array){return null}return d}catch(b){return null}};KJUR.jws.JWS.getEncodedSignatureValueFromJWS=function(b){if(b.match(/^[^.]+\.[^.]+\.([^.]+)$/)==null){throw"JWS signature is not a form of 'Head.Payload.SigValue'."}return RegExp.$1};KJUR.jws.IntDate=function(){};KJUR.jws.IntDate.get=function(b){if(b=="now"){return KJUR.jws.IntDate.getNow()}else{if(b=="now + 1hour"){return KJUR.jws.IntDate.getNow()+60*60}else{if(b=="now + 1day"){return KJUR.jws.IntDate.getNow()+60*60*24}else{if(b=="now + 1month"){return KJUR.jws.IntDate.getNow()+60*60*24*30}else{if(b=="now + 1year"){return KJUR.jws.IntDate.getNow()+60*60*24*365}else{if(b.match(/Z$/)){return KJUR.jws.IntDate.getZulu(b)}else{if(b.match(/^[0-9]+$/)){return parseInt(b)}}}}}}}throw"unsupported format: "+b};KJUR.jws.IntDate.getZulu=function(h){if(a=h.match(/(\d{4})(\d\d)(\d\d)(\d\d)(\d\d)(\d\d)Z/)){var g=parseInt(RegExp.$1);var i=parseInt(RegExp.$2)-1;var c=parseInt(RegExp.$3);var b=parseInt(RegExp.$4);var e=parseInt(RegExp.$5);var f=parseInt(RegExp.$6);var j=new Date(Date.UTC(g,i,c,b,e,f));return ~~(j/1000)}throw"unsupported format: "+h};KJUR.jws.IntDate.getNow=function(){var b=~~(new Date()/1000);return b};KJUR.jws.IntDate.intDate2UTCString=function(b){var c=new Date(b*1000);return c.toUTCString()};KJUR.jws.IntDate.intDate2Zulu=function(f){var j=new Date(f*1000);var i=("0000"+j.getUTCFullYear()).slice(-4);var h=("00"+(j.getUTCMonth()+1)).slice(-2);var c=("00"+j.getUTCDate()).slice(-2);var b=("00"+j.getUTCHours()).slice(-2);var e=("00"+j.getUTCMinutes()).slice(-2);var g=("00"+j.getUTCSeconds()).slice(-2);return i+h+c+b+e+g+"Z"};