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Change all license headers to comply with REUSE specification. Fix #16132 Co-authored-by: flynnnnnnnnnn <flynnnnnnnnnn@github> Co-authored-by: John Olheiser <john.olheiser@gmail.com>
97 lines
1.9 KiB
Go
97 lines
1.9 KiB
Go
// Copyright 2022 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package vagrant
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import (
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"archive/tar"
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"compress/gzip"
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"io"
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"strings"
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"code.gitea.io/gitea/modules/json"
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"code.gitea.io/gitea/modules/validation"
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)
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const (
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PropertyProvider = "vagrant.provider"
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)
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// Metadata represents the metadata of a Vagrant package
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type Metadata struct {
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Author string `json:"author,omitempty"`
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Description string `json:"description,omitempty"`
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ProjectURL string `json:"project_url,omitempty"`
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RepositoryURL string `json:"repository_url,omitempty"`
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}
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// ParseMetadataFromBox parses the metadata of a box file
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func ParseMetadataFromBox(r io.Reader) (*Metadata, error) {
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gzr, err := gzip.NewReader(r)
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if err != nil {
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return nil, err
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}
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defer gzr.Close()
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tr := tar.NewReader(gzr)
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for {
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hd, err := tr.Next()
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if err == io.EOF {
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break
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}
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if err != nil {
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return nil, err
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}
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if hd.Typeflag != tar.TypeReg {
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continue
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}
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if hd.Name == "info.json" {
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return ParseInfoFile(tr)
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}
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}
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return &Metadata{}, nil
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}
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// ParseInfoFile parses a info.json file to retrieve the metadata of a Vagrant package
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func ParseInfoFile(r io.Reader) (*Metadata, error) {
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var values map[string]string
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if err := json.NewDecoder(r).Decode(&values); err != nil {
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return nil, err
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}
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m := &Metadata{}
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// There is no defined format for this file, just try the common keys
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for k, v := range values {
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switch strings.ToLower(k) {
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case "description":
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fallthrough
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case "short_description":
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m.Description = v
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case "website":
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fallthrough
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case "homepage":
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fallthrough
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case "url":
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if validation.IsValidURL(v) {
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m.ProjectURL = v
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}
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case "repository":
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fallthrough
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case "source":
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if validation.IsValidURL(v) {
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m.RepositoryURL = v
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}
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case "author":
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fallthrough
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case "authors":
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m.Author = v
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}
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}
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return m, nil
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}
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