@visulima/email/dist/packem_shared/DkimSigner-Z8D4Il10.js

A comprehensive email library with multi-provider support, crypto utilities, and template engines

var v=Object.defineProperty;var m=(o,e)=>v(o,"name",{value:e,configurable:!0});import{createRequire as w}from"node:module";import{B as x}from"./readFile-BlZxbhCU-C8bCdiA2.js";import z from"./headersToRecord-BKUTr40L.js";const C=w(import.meta.url),p=typeof globalThis<"u"&&typeof globalThis.process<"u"?globalThis.process:process,T=m(o=>{if(typeof p<"u"&&p.versions&&p.versions.node){const[e,t]=p.versions.node.split(".").map(Number);if(e>22||e===22&&t>=3||e===20&&t>=16)return p.getBuiltinModule(o)}return C(o)},"__cjs_getBuiltinModule"),{createHash:M,createSign:S,createPrivateKey:_}=T("node:crypto");var H=Object.defineProperty,d=m((o,e)=>H(o,"name",{value:e,configurable:!0}),"l");const I=d((o,e="simple")=>{const t=[];for(const[r,a]of Object.entries(o)){const n=e==="relaxed"?r.toLowerCase().trim():r,s=e==="relaxed"?a.replaceAll(/\s+/g," ").trim():a;t.push(`${n}:${s}`)}return t.join(`\r
`)},"canonicalizeHeaders"),K=d((o,e="simple")=>{if(e==="simple"){const n=o.replace(/(\r\n|\r|\n)$/,`
`);let s=n.length;for(;s>0&&n[s-1]===`
`;)s-=1;const c=n.slice(0,s);return c?`${c}
`:`
`}let t=o.replaceAll(`\r
`,`
`).replaceAll("\r",`
`);t=t.split(`
`).map(n=>n.replaceAll(/\s+/g," ").replace(/[ \t]+$/,"")).join(`
`);let r=t.length;for(;r>0&&t[r-1]===`
`;)r-=1;const a=t.slice(0,r);return a?`${a}
`:`
`},"canonicalizeBody"),B=d((o,e,t)=>{const r=e.headerCanon||"simple",a=e.bodyCanon||"simple",n=Object.keys(o).filter(s=>!e.headersToIgnore?.some(c=>c.toLowerCase()===s.toLowerCase())).map(s=>s.toLowerCase()).join(":");return["v=1","a=rsa-sha256",`c=${r}/${a}`,`d=${e.domainName}`,`s=${e.keySelector}`,`h=${n}`,`bh=${t}`,"b="].join("; ")},"createDkimSignatureHeader");class i{static{m(this,"DkimSigner")}static{d(this,"DkimSigner")}static sanitizeDisplayName(e){let t=e.replaceAll(/[\r\n\t]+/g," ");t=[...t].filter(n=>{const s=n.codePointAt(0);return s===void 0?!1:s>=32&&s<=126||s>159}).join("");const r="\\",a='"';return t=t.replaceAll(r,r+r).replaceAll(a,r+a),t=t.trim().replaceAll(/\s+/g," "),t}static formatAddress(e){if(e.name){const t=i.sanitizeDisplayName(e.name);return t?`"${t}" <${e.email}>`:e.email}return e.email}static formatAddresses(e){return(Array.isArray(e)?e:[e]).map(t=>i.formatAddress(t)).join(", ")}options;constructor(e){this.options=e}async sign(e){let t=this.options.privateKey;if(t.startsWith("file://")){const l=t.slice(7);t=await x(l,{encoding:"utf8"})}const r={...e.headers?z(e.headers):{},From:i.formatAddress(e.from),To:i.formatAddresses(e.to)};e.cc&&(r.Cc=i.formatAddresses(e.cc)),e.replyTo&&(r["Reply-To"]=i.formatAddress(e.replyTo)),r.Subject=e.subject,r["MIME-Version"]="1.0";const a=[];e.text&&a.push(e.text),e.html&&a.push(e.html);const n=a.join(`

`),s=this.options.headerCanon||"simple",c=this.options.bodyCanon||"simple",g=I(r,s),y=K(n,c),A=M("sha256").update(y).digest("base64"),h=B(r,this.options,A),$=`${g}\r
DKIM-Signature: ${h}`,f=S("RSA-SHA256");f.update($);let u;try{const l=_({key:t,passphrase:this.options.passphrase});u=f.sign(l,"base64")}catch(l){throw new Error(`Failed to create DKIM signature: ${l.message}`)}const j=u.match(/.{1,72}/g)?.join(`\r
 `)||u,b={...r,"DKIM-Signature":`${h}${j}`};return{...e,headers:b}}}const R=d(o=>new i(o),"createDkimSigner");export{i as DkimSigner,R as createDkimSigner};