forked from deploymenttheory/go-api-sdk-jamfpro
/
jcds2.go
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/
jcds2.go
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// jcds2.go
// Jamf Pro Api
// Work in progress. waiting for jcds enabled jamf instance to
// TODO validate structs and logic flow.
// TODO create distinct create and update jcds package functions
// TODO move helper funcs to helpers.go
// TODO create package mains for create and update package funcs
// TODO remove repeat funcs and use packages.go where appropriate
// TODO create download package func with aws file manager
// TODO refactor to use v2 aws sdk for s3
package jamfpro
import (
"crypto/md5"
"encoding/hex"
"fmt"
"io"
"log"
"os"
"strconv"
"sync/atomic"
"time"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/s3/s3manager"
)
const uriAPIJCDSFiles = "/api/v1/jcds/files"
type JCDSFilesResponse struct {
Files []JCDSFile `json:"files" xml:"files"`
}
type JCDSFile struct {
FileName string `json:"fileName" xml:"fileName"`
MD5 string `json:"md5" xml:"md5"`
}
type JCDSUploadResponse struct {
Credentials JCDSUploadCredentials `json:"Credentials"`
}
type JCDSUploadCredentials struct {
AccessKeyID string `json:"accessKeyID"`
SecretAccessKey string `json:"secretAccessKey"`
SessionToken string `json:"sessionToken"`
Region string `json:"region"`
BucketName string `json:"bucketName"`
Path string `json:"path"`
UUID string `json:"uuid"`
}
type UploadProgressPercentage struct {
Filename string
TotalSize int64
SeenSoFar int64
}
func NewUploadProgressPercentage(filename string) *UploadProgressPercentage {
fileInfo, err := os.Stat(filename)
if err != nil {
log.Fatalf("Failed to get file info: %v", err)
}
return &UploadProgressPercentage{
Filename: filename,
TotalSize: fileInfo.Size(),
}
}
func (p *UploadProgressPercentage) TrackProgress() {
for {
percentage := (float64(p.SeenSoFar) / float64(p.TotalSize)) * 100
fmt.Printf("\r%s %d / %d (%.2f%%)", p.Filename, p.SeenSoFar, p.TotalSize, percentage)
if p.SeenSoFar >= p.TotalSize {
break
}
time.Sleep(1 * time.Second)
}
fmt.Println() // Move to the next line after completion
}
func (p *UploadProgressPercentage) AddBytes(bytes int64) {
atomic.AddInt64(&p.SeenSoFar, bytes)
}
func (c *Client) CheckExistingPackageInJamfPro(idOrName string) (*ResponsePackage, error) {
// Fetch the list of all packages
packagesList, err := c.GetPackages()
if err != nil {
return nil, err
}
// Search through the packages list for the package with the given ID or Name
for _, pkgList := range packagesList {
for _, pkg := range pkgList.Packages {
// Check if idOrName matches the package's ID or Name
if strconv.Itoa(pkg.ID) == idOrName || pkg.Name == idOrName {
// Return the details of the matched package
return c.GetPackageByID(pkg.ID)
}
}
}
return nil, fmt.Errorf("package with identifier %s not found", idOrName)
}
func (c *Client) CheckExistingPackageInJCDS(pkgName string, pkgPath string) (bool, error) {
// Step 2 - Get the list of existing packages in JCDS
var jcdsFilesResponse JCDSFilesResponse
if err := c.DoRequest("GET", uriAPIJCDSFiles, nil, nil, &jcdsFilesResponse); err != nil {
return false, fmt.Errorf("failed to get existing packages in JCDS: %v", err)
}
// Step 3 - Iterate through the list to find the package and its MD5 hash
var existingPkgFound bool
var existingPkgMD5 string
for _, jcdsFile := range jcdsFilesResponse.Files {
if jcdsFile.FileName == pkgName {
existingPkgFound = true
existingPkgMD5 = jcdsFile.MD5
break
}
}
if !existingPkgFound {
fmt.Println("Package not found in JCDS.")
return true, nil
}
// Step 4 - Calculate MD5 hash of the local package
pkgFile, err := os.Open(pkgPath)
if err != nil {
return false, fmt.Errorf("failed to open local package file: %v", err)
}
defer pkgFile.Close()
pkgMD5, err := calculateMD5(pkgFile)
if err != nil {
return false, fmt.Errorf("failed to calculate MD5 hash of local package: %v", err)
}
// Step 5 - Compare MD5 hashes
if existingPkgMD5 == pkgMD5 {
fmt.Println("MD5 matches, not replacing existing package in JCDS")
return false, nil
}
// Step 6 - Delete existing package and upload the new one
deleteURL := fmt.Sprintf("%s/%s", uriAPIJCDSFiles, pkgName)
if err := c.DoRequest("DELETE", deleteURL, nil, nil, nil); err != nil {
return false, fmt.Errorf("failed to delete existing package in JCDS: %v", err)
}
fmt.Println("Existing package deleted from JCDS")
return true, nil
}
func calculateMD5(file *os.File) (string, error) {
hash := md5.New()
if _, err := io.Copy(hash, file); err != nil {
return "", err
}
return hex.EncodeToString(hash.Sum(nil)), nil
}
func (c *Client) GetPackageUploadCredentials() (*JCDSUploadCredentials, error) {
var response JCDSUploadResponse
if err := c.DoRequest("POST", uriAPIJCDSFiles, nil, nil, &response); err != nil {
return nil, fmt.Errorf("failed to get upload credentials: %v", err)
}
return &response.Credentials, nil
}
func (c *Client) UploadPackageToJCDS(pkgPath string, creds *JCDSUploadCredentials) error {
sess := session.Must(session.NewSession())
uploader := s3manager.NewUploader(sess, func(u *s3manager.Uploader) {
u.PartSize = 5 * 1024 * 1024 // 5MB per part
u.LeavePartsOnError = true // If the upload fails, don't delete the parts
})
// Open the file at pkgPath
file, err := os.Open(pkgPath)
if err != nil {
return fmt.Errorf("failed to open file %q, %v", pkgPath, err)
}
defer file.Close()
tracker := NewUploadProgressPercentage(pkgPath)
progressReader := &ProgressReader{
r: file,
tracker: tracker,
}
go tracker.TrackProgress()
_, err = uploader.Upload(&s3manager.UploadInput{
Bucket: &creds.BucketName,
Key: &creds.Path,
Body: progressReader,
})
if err != nil {
return fmt.Errorf("failed to upload file, %v", err)
}
return nil
}
type ProgressReader struct {
r io.Reader
tracker *UploadProgressPercentage
}
func (pr *ProgressReader) Read(p []byte) (int, error) {
n, err := pr.r.Read(p)
pr.tracker.AddBytes(int64(n))
return n, err
}
func (c *Client) UploadPackageMetadataToJamfPro(pkgName string, pkgID int) error {
pkgData := fmt.Sprintf("<package><name>%s</name><filename>%s</filename></package>", pkgName, pkgName)
reqType := "POST"
if pkgID > 0 {
reqType = "PUT"
}
if err := c.DoRequest(reqType, fmt.Sprintf("/JSSResource/packages/id/%d", pkgID), pkgData, nil, nil); err != nil {
return fmt.Errorf("failed to upload package metadata: %v", err)
}
return nil
}
/*
// BucketBasics encapsulates the Amazon Simple Storage Service (Amazon S3) actions
// used in the examples.
// It contains S3Client, an Amazon S3 service client that is used to perform bucket
// and object actions.
type BucketBasics struct {
S3Client *s3.Client
}
// BucketExists checks whether a bucket exists in the current account.
func (basics BucketBasics) BucketExists(bucketName string) (bool, error) {
_, err := basics.S3Client.HeadBucket(context.TODO(), &s3.HeadBucketInput{
Bucket: aws.String(bucketName),
})
exists := true
if err != nil {
var apiError smithy.APIError
if errors.As(err, &apiError) {
switch apiError.(type) {
case *types.NotFound:
log.Printf("Bucket %v is available.\n", bucketName)
exists = false
err = nil
default:
log.Printf("Either you don't have access to bucket %v or another error occurred. "+
"Here's what happened: %v\n", bucketName, err)
}
}
} else {
log.Printf("Bucket %v exists and you already own it.", bucketName)
}
return exists, err
}
// BucketBasics encapsulates the Amazon Simple Storage Service (Amazon S3) actions
// used in the examples.
// It contains S3Client, an Amazon S3 service client that is used to perform bucket
// and object actions.
// DownloadFile gets an object from a bucket and stores it in a local file.
func (basics BucketBasics) DownloadFile(bucketName string, objectKey string, fileName string) error {
result, err := basics.S3Client.GetObject(context.TODO(), &s3.GetObjectInput{
Bucket: aws.String(bucketName),
Key: aws.String(objectKey),
})
if err != nil {
log.Printf("Couldn't get object %v:%v. Here's why: %v\n", bucketName, objectKey, err)
return err
}
defer result.Body.Close()
file, err := os.Create(fileName)
if err != nil {
log.Printf("Couldn't create file %v. Here's why: %v\n", fileName, err)
return err
}
defer file.Close()
body, err := io.ReadAll(result.Body)
if err != nil {
log.Printf("Couldn't read object body from %v. Here's why: %v\n", objectKey, err)
}
_, err = file.Write(body)
return err
}
// BucketBasics encapsulates the Amazon Simple Storage Service (Amazon S3) actions
// used in the examples.
// It contains S3Client, an Amazon S3 service client that is used to perform bucket
// and object actions.
// UploadFile reads from a file and puts the data into an object in a bucket.
func (basics BucketBasics) UploadFile(bucketName string, objectKey string, fileName string) error {
file, err := os.Open(fileName)
if err != nil {
log.Printf("Couldn't open file %v to upload. Here's why: %v\n", fileName, err)
} else {
defer file.Close()
_, err = basics.S3Client.PutObject(context.TODO(), &s3.PutObjectInput{
Bucket: aws.String(bucketName),
Key: aws.String(objectKey),
Body: file,
})
if err != nil {
log.Printf("Couldn't upload file %v to %v:%v. Here's why: %v\n",
fileName, bucketName, objectKey, err)
}
}
return err
}
*/