/
binary.go
92 lines (81 loc) · 2.39 KB
/
binary.go
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// This file is part of CycloneDX GoMod
//
// Licensed under the Apache License, Version 2.0 (the “License”);
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an “AS IS” BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// SPDX-License-Identifier: Apache-2.0
// Copyright (c) OWASP Foundation. All Rights Reserved.
package gomod
import (
"bufio"
"bytes"
"io"
"strings"
"github.com/CycloneDX/cyclonedx-gomod/internal/gocmd"
)
func LoadModulesFromBinary(binaryPath string) (string, []Module, map[string]string, error) {
buf := new(bytes.Buffer)
if err := gocmd.LoadModulesFromBinary(binaryPath, buf); err != nil {
return "", nil, nil, err
}
goVersion, modules, hashes := parseModulesFromBinary(binaryPath, buf)
sortModules(modules)
return goVersion, modules, hashes, nil
}
func parseModulesFromBinary(binaryPath string, reader io.Reader) (string, []Module, map[string]string) {
var goVersion string
var modules []Module
hashes := make(map[string]string)
moduleIndex := 0
scanner := bufio.NewScanner(reader)
for scanner.Scan() {
line := scanner.Text()
if strings.TrimSpace(line) == "" {
continue
}
fields := strings.Fields(line)
switch fields[0] {
case binaryPath + ":":
if len(fields) == 2 && strings.HasPrefix(fields[1], "go") {
goVersion = strings.TrimPrefix(fields[1], "go")
}
case "mod": // Main module
modules = append(modules, Module{
Path: fields[1],
Version: fields[2],
Main: true,
})
moduleIndex += 1
case "dep": // Dependency module
module := Module{
Path: fields[1],
Version: fields[2],
}
modules = append(modules, module)
if len(fields) == 4 {
// Hash won't be available when the module is replaced
hashes[module.Coordinates()] = fields[3]
}
moduleIndex += 1
case "=>": // Replacement
module := Module{
Path: fields[1],
Version: fields[2],
}
modules[moduleIndex-1].Replace = &module
if len(fields) == 4 {
hashes[module.Coordinates()] = fields[3]
}
}
}
return goVersion, modules, hashes
}