jws-3.3.min.js

if(typeof KJUR=="undefined"||!KJUR){KJUR={}}if(typeof KJUR.jws=="undefined"||!KJUR.jws){KJUR.jws={}}KJUR.jws.JWS=function(){var b=KJUR,a=b.jws.JWS,c=a.isSafeJSONString;this.parseJWS=function(g,j){if((this.parsedJWS!==undefined)&&(j||(this.parsedJWS.sigvalH!==undefined))){return}var i=g.match(/^([^.]+)\.([^.]+)\.([^.]+)$/);if(i==null){throw"JWS signature is not a form of 'Head.Payload.SigValue'."}var k=i[1];var e=i[2];var l=i[3];var n=k+"."+e;this.parsedJWS={};this.parsedJWS.headB64U=k;this.parsedJWS.payloadB64U=e;this.parsedJWS.sigvalB64U=l;this.parsedJWS.si=n;if(!j){var h=b64utohex(l);var f=parseBigInt(h,16);this.parsedJWS.sigvalH=h;this.parsedJWS.sigvalBI=f}var d=b64utoutf8(k);var m=b64utoutf8(e);this.parsedJWS.headS=d;this.parsedJWS.payloadS=m;if(!c(d,this.parsedJWS,"headP")){throw"malformed JSON string for JWS Head: "+d}}};KJUR.jws.JWS.sign=function(j,w,z,A,a){var x=KJUR,n=x.jws,r=n.JWS,h=r.readSafeJSONString,q=r.isSafeJSONString,d=x.crypto,l=d.ECDSA,p=d.Mac,c=d.Signature,u=JSON;var t,k,o;if(typeof w!="string"&&typeof w!="object"){throw"spHeader must be JSON string or object: "+w}if(typeof w=="object"){k=w;t=u.stringify(k)}if(typeof w=="string"){t=w;if(!q(t)){throw"JWS Head is not safe JSON string: "+t}k=h(t)}o=z;if(typeof z=="object"){o=u.stringify(z)}if((j==""||j==null)&&k.alg!==undefined){j=k.alg}if((j!=""&&j!=null)&&k.alg===undefined){k.alg=j;t=u.stringify(k)}if(j!==k.alg){throw"alg and sHeader.alg doesn't match: "+j+"!="+k.alg}var s=null;if(r.jwsalg2sigalg[j]===undefined){throw"unsupported alg name: "+j}else{s=r.jwsalg2sigalg[j]}var e=utf8tob64u(t);var m=utf8tob64u(o);var b=e+"."+m;var y="";if(s.substr(0,4)=="Hmac"){if(A===undefined){throw"mac key shall be specified for HS* alg"}var i=new p({alg:s,prov:"cryptojs",pass:A});i.updateString(b);y=i.doFinal()}else{if(s.indexOf("withECDSA")!=-1){var f=new c({alg:s});f.init(A,a);f.updateString(b);var g=f.sign();y=KJUR.crypto.ECDSA.asn1SigToConcatSig(g)}else{if(s!="none"){var f=new c({alg:s});f.init(A,a);f.updateString(b);y=f.sign()}}}var v=hextob64u(y);return b+"."+v};KJUR.jws.JWS.verify=function(w,B,n){var x=KJUR,q=x.jws,t=q.JWS,i=t.readSafeJSONString,e=x.crypto,p=e.ECDSA,s=e.Mac,d=e.Signature,m;if(typeof RSAKey!==undefined){m=RSAKey}if(!isBase64URLDot(w)){return false}var y=w.split(".");if(y.length!==3){return false}var f=y[0];var r=y[1];var c=f+"."+r;var A=b64utohex(y[2]);var l=i(b64utoutf8(y[0]));var k=null;var z=null;if(l.alg===undefined){throw"algorithm not specified in header"}else{k=l.alg;z=k.substr(0,2)}if(n!=null&&Object.prototype.toString.call(n)==="[object Array]"&&n.length>0){var b=":"+n.join(":")+":";if(b.indexOf(":"+k+":")==-1){throw"algorithm '"+k+"' not accepted in the list"}}if(k!="none"&&B===null){throw"key shall be specified to verify."}if(typeof B=="string"&&B.indexOf("-----BEGIN ")!=-1){B=KEYUTIL.getKey(B)}if(z=="RS"||z=="PS"){if(!(B instanceof m)){throw"key shall be a RSAKey obj for RS* and PS* algs"}}if(z=="ES"){if(!(B instanceof p)){throw"key shall be a ECDSA obj for ES* algs"}}if(k=="none"){}var u=null;if(t.jwsalg2sigalg[l.alg]===undefined){throw"unsupported alg name: "+k}else{u=t.jwsalg2sigalg[k]}if(u=="none"){throw"not supported"}else{if(u.substr(0,4)=="Hmac"){var o=null;if(B===undefined){throw"hexadecimal key shall be specified for HMAC"}var j=new s({alg:u,pass:B});j.updateString(c);o=j.doFinal();return A==o}else{if(u.indexOf("withECDSA")!=-1){var h=null;try{h=p.concatSigToASN1Sig(A)}catch(v){return false}var g=new d({alg:u});g.init(B);g.updateString(c);return g.verify(h)}else{var g=new d({alg:u});g.init(B);g.updateString(c);return g.verify(A)}}}};KJUR.jws.JWS.parse=function(g){var c=g.split(".");var b={};var f,e,d;if(c.length!=2&&c.length!=3){throw"malformed sJWS: wrong number of '.' splitted elements"}f=c[0];e=c[1];if(c.length==3){d=c[2]}b.headerObj=KJUR.jws.JWS.readSafeJSONString(b64utoutf8(f));b.payloadObj=KJUR.jws.JWS.readSafeJSONString(b64utoutf8(e));b.headerPP=JSON.stringify(b.headerObj,null,"  ");if(b.payloadObj==null){b.payloadPP=b64utoutf8(e)}else{b.payloadPP=JSON.stringify(b.payloadObj,null,"  ")}if(d!==undefined){b.sigHex=b64utohex(d)}return b};KJUR.jws.JWS.verifyJWT=function(e,l,r){var d=KJUR,j=d.jws,o=j.JWS,n=o.readSafeJSONString,p=o.inArray,f=o.includedArray;if(!isBase64URLDot(e)){return false}var k=e.split(".");if(k.length!=3){return false}var c=k[0];var i=k[1];var q=c+"."+i;var m=b64utohex(k[2]);var h=n(b64utoutf8(c));var g=n(b64utoutf8(i));if(h.alg===undefined){return false}if(r.alg===undefined){throw"acceptField.alg shall be specified"}if(!p(h.alg,r.alg)){return false}if(g.iss!==undefined&&typeof r.iss==="object"){if(!p(g.iss,r.iss)){return false}}if(g.sub!==undefined&&typeof r.sub==="object"){if(!p(g.sub,r.sub)){return false}}if(g.aud!==undefined&&typeof r.aud==="object"){if(typeof g.aud=="string"){if(!p(g.aud,r.aud)){return false}}else{if(typeof g.aud=="object"){if(!f(g.aud,r.aud)){return false}}}}var b=j.IntDate.getNow();if(r.verifyAt!==undefined&&typeof r.verifyAt==="number"){b=r.verifyAt}if(r.gracePeriod===undefined||typeof r.gracePeriod!=="number"){r.gracePeriod=0}if(g.exp!==undefined&&typeof g.exp=="number"){if(g.exp+r.gracePeriod<b){return false}}if(g.nbf!==undefined&&typeof g.nbf=="number"){if(b<g.nbf-r.gracePeriod){return false}}if(g.iat!==undefined&&typeof g.iat=="number"){if(b<g.iat-r.gracePeriod){return false}}if(g.jti!==undefined&&r.jti!==undefined){if(g.jti!==r.jti){return false}}if(!o.verify(e,l,r.alg)){return false}return true};KJUR.jws.JWS.includedArray=function(b,a){var c=KJUR.jws.JWS.inArray;if(b===null){return false}if(typeof b!=="object"){return false}if(typeof b.length!=="number"){return false}for(var d=0;d<b.length;d++){if(!c(b[d],a)){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",ES512:"SHA512withECDSA",PS256:"SHA256withRSAandMGF1",PS384:"SHA384withRSAandMGF1",PS512:"SHA512withRSAandMGF1",none:"none",};KJUR.jws.JWS.isSafeJSONString=function(c,b,d){var e=null;try{e=jsonParse(c);if(typeof e!="object"){return 0}if(e.constructor===Array){return 0}if(b){b[d]=e}return 1}catch(a){return 0}};KJUR.jws.JWS.readSafeJSONString=function(b){var c=null;try{c=jsonParse(b);if(typeof c!="object"){return null}if(c.constructor===Array){return null}return c}catch(a){return null}};KJUR.jws.JWS.getEncodedSignatureValueFromJWS=function(b){var a=b.match(/^[^.]+\.[^.]+\.([^.]+)$/);if(a==null){throw"JWS signature is not a form of 'Head.Payload.SigValue'."}return a[1]};KJUR.jws.JWS.getJWKthumbprint=function(d){if(d.kty!=="RSA"&&d.kty!=="EC"&&d.kty!=="oct"){throw"unsupported algorithm for JWK Thumprint"}var a="{";if(d.kty==="RSA"){if(typeof d.n!="string"||typeof d.e!="string"){throw"wrong n and e value for RSA key"}a+='"e":"'+d.e+'",';a+='"kty":"'+d.kty+'",';a+='"n":"'+d.n+'"}'}else{if(d.kty==="EC"){if(typeof d.crv!="string"||typeof d.x!="string"||typeof d.y!="string"){throw"wrong crv, x and y value for EC key"}a+='"crv":"'+d.crv+'",';a+='"kty":"'+d.kty+'",';a+='"x":"'+d.x+'",';a+='"y":"'+d.y+'"}'}else{if(d.kty==="oct"){if(typeof d.k!="string"){throw"wrong k value for oct(symmetric) key"}a+='"kty":"'+d.kty+'",';a+='"k":"'+d.k+'"}'}}}var b=rstrtohex(a);var c=KJUR.crypto.Util.hashHex(b,"sha256");var e=hextob64u(c);return e};KJUR.jws.IntDate={};KJUR.jws.IntDate.get=function(c){var b=KJUR.jws.IntDate,d=b.getNow,a=b.getZulu;if(c=="now"){return d()}else{if(c=="now + 1hour"){return d()+60*60}else{if(c=="now + 1day"){return d()+60*60*24}else{if(c=="now + 1month"){return d()+60*60*24*30}else{if(c=="now + 1year"){return d()+60*60*24*365}else{if(c.match(/Z$/)){return a(c)}else{if(c.match(/^[0-9]+$/)){return parseInt(c)}}}}}}}throw"unsupported format: "+c};KJUR.jws.IntDate.getZulu=function(a){return zulutosec(a)};KJUR.jws.IntDate.getNow=function(){var a=~~(new Date()/1000);return a};KJUR.jws.IntDate.intDate2UTCString=function(a){var b=new Date(a*1000);return b.toUTCString()};KJUR.jws.IntDate.intDate2Zulu=function(e){var i=new Date(e*1000),h=("0000"+i.getUTCFullYear()).slice(-4),g=("00"+(i.getUTCMonth()+1)).slice(-2),b=("00"+i.getUTCDate()).slice(-2),a=("00"+i.getUTCHours()).slice(-2),c=("00"+i.getUTCMinutes()).slice(-2),f=("00"+i.getUTCSeconds()).slice(-2);return h+g+b+a+c+f+"Z"};