Sid Gifari File Manager Pro v10.0.3

✏️ Editing: sign.js Writable

import { FlattenedSign } from '../flattened/sign.js';
import { JWSInvalid } from '../../util/errors.js';
class IndividualSignature {
    constructor(sig, key, options) {
        this.parent = sig;
        this.key = key;
        this.options = options;
    }
    setProtectedHeader(protectedHeader) {
        if (this.protectedHeader) {
            throw new TypeError('setProtectedHeader can only be called once');
        }
        this.protectedHeader = protectedHeader;
        return this;
    }
    setUnprotectedHeader(unprotectedHeader) {
        if (this.unprotectedHeader) {
            throw new TypeError('setUnprotectedHeader can only be called once');
        }
        this.unprotectedHeader = unprotectedHeader;
        return this;
    }
    addSignature(...args) {
        return this.parent.addSignature(...args);
    }
    sign(...args) {
        return this.parent.sign(...args);
    }
    done() {
        return this.parent;
    }
}
export class GeneralSign {
    constructor(payload) {
        this._signatures = [];
        this._payload = payload;
    }
    addSignature(key, options) {
        const signature = new IndividualSignature(this, key, options);
        this._signatures.push(signature);
        return signature;
    }
    async sign() {
        if (!this._signatures.length) {
            throw new JWSInvalid('at least one signature must be added');
        }
        const jws = {
            signatures: [],
            payload: '',
        };
        for (let i = 0; i < this._signatures.length; i++) {
            const signature = this._signatures[i];
            const flattened = new FlattenedSign(this._payload);
            flattened.setProtectedHeader(signature.protectedHeader);
            flattened.setUnprotectedHeader(signature.unprotectedHeader);
            const { payload, ...rest } = await flattened.sign(signature.key, signature.options);
            if (i === 0) {
                jws.payload = payload;
            }
            else if (jws.payload !== payload) {
                throw new JWSInvalid('inconsistent use of JWS Unencoded Payload (RFC7797)');
            }
            jws.signatures.push(rest);
        }
        return jws;
    }
}

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