snyk-docker-plugin/dist/utils.js

Snyk CLI docker plugin

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.isValidDockerImageReference = void 0;
/**
 * Validates a Docker image reference format using the official Docker reference regex.
 * @param imageReference The Docker image reference to validate
 * @returns true if valid, false if invalid
 */
function isValidDockerImageReference(imageReference) {
    // Docker image reference validation regex from the official Docker packages:
    // https://github.com/distribution/reference/blob/ff14fafe2236e51c2894ac07d4bdfc778e96d682/regexp.go#L9
    // Original regex: ^((?:(?:(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])(?:\.(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]))*|\[(?:[a-fA-F0-9:]+)\])(?::[0-9]+)?/)?[a-z0-9]+(?:(?:[._]|__|[-]+)[a-z0-9]+)*(?:/[a-z0-9]+(?:(?:[._]|__|[-]+)[a-z0-9]+)*)*)(?::([\w][\w.-]{0,127}))?(?:@([A-Za-z][A-Za-z0-9]*(?:[-_+.][A-Za-z][A-Za-z0-9]*)*[:][[:xdigit:]]{32,}))?$
    // Note: Converted [[:xdigit:]] to [a-fA-F0-9] and escaped the forward slashes for JavaScript compatibility.
    const dockerImageRegex = /^((?:(?:(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9])(?:\.(?:[a-zA-Z0-9]|[a-zA-Z0-9][a-zA-Z0-9-]*[a-zA-Z0-9]))*|\[(?:[a-fA-F0-9:]+)\])(?::[0-9]+)?\/)?[a-z0-9]+(?:(?:[._]|__|[-]+)[a-z0-9]+)*(?:\/[a-z0-9]+(?:(?:[._]|__|[-]+)[a-z0-9]+)*)*)(?::([\w][\w.-]{0,127}))?(?:@([A-Za-z][A-Za-z0-9]*(?:[-_+.][A-Za-z][A-Za-z0-9]*)*[:][a-fA-F0-9]{32,}))?$/;
    return dockerImageRegex.test(imageReference);
}
exports.isValidDockerImageReference = isValidDockerImageReference;
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