minio client

README.md

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+# upload-server
+

cmd/main.go

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+package main
+
+import (
+    "github.com/joho/godotenv"
+    con "minio/minio_connector"
+    "fmt"
+)
+
+
+func main() {
+	// Загрузка конфигурации из файла .env
+	err := godotenv.Load()
+	if err != nil {
+		log.Fatalf("Ошибка загрузки файла .env: %v", err)
+	}
+
+	// Инициализация соединения с Minio
+    con.InitMinio()
+	minioClient := con.GetMinio()
+    fmt.Println(minioClient)
+}

configs/config.go

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+package config
+
+import (
+	"os"
+	
+	_ "github.com/joho/godotenv/autoload"
+)
+
+
+var (
+
+	// Minio
+	MinioEndpt     = getEnv("MINIO_ENDPOINT", "")
+	MinioBucket    = getEnv("MINIO_BUCKET", "")
+	MinioAccessKey = getEnv("MINIO_ACCESS_KEY", "")
+	MinioSecretKey = getEnv("MINIO_SECRET_KEY", "")
+	
+	// Similarly, We can fetch more env variables here,
+	// for API keys, Database credentials etc
+)
+
+
+func getEnv(key, fallback string) string {
+	if value, ok := os.LookupEnv(key); ok {
+		return value
+	}
+	return fallback
+}

go.mod

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+module minio
+
+go 1.22.2
+
+require (
+	github.com/joho/godotenv v1.5.1
+	github.com/minio/minio-go/v7 v7.0.87
+)
+
+require (
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/dustin/go-humanize v1.0.1 // indirect
+	github.com/go-ini/ini v1.67.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
+	github.com/minio/crc64nvme v1.0.1 // indirect
+	github.com/minio/md5-simd v1.1.2 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/rs/xid v1.6.0 // indirect
+	golang.org/x/crypto v0.33.0 // indirect
+	golang.org/x/net v0.35.0 // indirect
+	golang.org/x/sys v0.30.0 // indirect
+	golang.org/x/text v0.22.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)

go.sum

@@ -0,0 +1,40 @@
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/dustin/go-humanize v1.0.1 h1:GzkhY7T5VNhEkwH0PVJgjz+fX1rhBrR7pRT3mDkpeCY=
+github.com/dustin/go-humanize v1.0.1/go.mod h1:Mu1zIs6XwVuF/gI1OepvI0qD18qycQx+mFykh5fBlto=
+github.com/go-ini/ini v1.67.0 h1:z6ZrTEZqSWOTyH2FlglNbNgARyHG8oLW9gMELqKr06A=
+github.com/go-ini/ini v1.67.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
+github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
+github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
+github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
+github.com/klauspost/cpuid/v2 v2.0.1/go.mod h1:FInQzS24/EEf25PyTYn52gqo7WaD8xa0213Md/qVLRg=
+github.com/klauspost/cpuid/v2 v2.2.9 h1:66ze0taIn2H33fBvCkXuv9BmCwDfafmiIVpKV9kKGuY=
+github.com/klauspost/cpuid/v2 v2.2.9/go.mod h1:rqkxqrZ1EhYM9G+hXH7YdowN5R5RGN6NK4QwQ3WMXF8=
+github.com/minio/crc64nvme v1.0.1 h1:DHQPrYPdqK7jQG/Ls5CTBZWeex/2FMS3G5XGkycuFrY=
+github.com/minio/crc64nvme v1.0.1/go.mod h1:eVfm2fAzLlxMdUGc0EEBGSMmPwmXD5XiNRpnu9J3bvg=
+github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
+github.com/minio/md5-simd v1.1.2/go.mod h1:MzdKDxYpY2BT9XQFocsiZf/NKVtR7nkE4RoEpN+20RM=
+github.com/minio/minio-go/v7 v7.0.87 h1:nkr9x0u53PespfxfUqxP3UYWiE2a41gaofgNnC4Y8WQ=
+github.com/minio/minio-go/v7 v7.0.87/go.mod h1:33+O8h0tO7pCeCWwBVa07RhVVfB/3vS4kEX7rwYKmIg=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/rs/xid v1.6.0 h1:fV591PaemRlL6JfRxGDEPl69wICngIQ3shQtzfy2gxU=
+github.com/rs/xid v1.6.0/go.mod h1:7XoLgs4eV+QndskICGsho+ADou8ySMSjJKDIan90Nz0=
+github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
+github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+golang.org/x/crypto v0.33.0 h1:IOBPskki6Lysi0lo9qQvbxiQ+FvsCC/YWOecCHAixus=
+golang.org/x/crypto v0.33.0/go.mod h1:bVdXmD7IV/4GdElGPozy6U7lWdRXA4qyRVGJV57uQ5M=
+golang.org/x/net v0.35.0 h1:T5GQRQb2y08kTAByq9L4/bz8cipCdA8FbRTXewonqY8=
+golang.org/x/net v0.35.0/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk=
+golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
+golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.22.0 h1:bofq7m3/HAFvbF51jz3Q9wLg3jkvSPuiZu/pD1XwgtM=
+golang.org/x/text v0.22.0/go.mod h1:YRoo4H8PVmsu+E3Ou7cqLVH8oXWIHVoX0jqUWALQhfY=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

minio_connector/connector.go

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+package minio_connector 
+
+import (
+	"context"
+	"fmt"
+	config "userApplication/configs"
+	"net/url"
+	"time"
+	"github.com/minio/minio-go/v7"
+	"github.com/minio/minio-go/v7/pkg/credentials"
+)
+
+
+func GetMinio() *minio.Client {
+	if s3Client == nil {
+		// Instantiate the s3Client
+		// ...
+	}
+	return s3Client
+}
+
+
+func InitMinio() {
+
+    // Requests are always secure (HTTPS) by default.
+    // Set secure=false to enable insecure (HTTP) access.
+    // This boolean value is the last argument for New().
+	conn, err := minio.New(config.MinioEndpt, &minio.Options{
+		Creds:  credentials.NewStaticV4(config.MinioAccessKey, config.MinioSecretKey, ""),
+		Secure: true,
+	})
+	if err != nil {
+		fmt.Println(err)
+	}
+	found, err := conn.BucketExists(context.Background(), config.MinioBucket)
+	if err != nil {
+		fmt.Println(err)
+	}
+	if found {
+		fmt.Println("Connection to Minio successful.")
+		fmt.Println("Endpoint: " + config.MinioEndpt)
+		fmt.Println("Bucket  : " + config.MinioBucket)
+	}
+	s3Client = conn
+}
+
+func HandlePanic() {
+	r := recover()
+
+	if r != nil {
+		fmt.Println("RECOVER :", r)
+	}
+}
+
+func GetPresignedURLFromMinio(objectname string) string {
+
+	defer HandlePanic()
+	reqParams := make(url.Values)
+
+	// Gernerate presigned get object url.
+	presignedURL, err := GetMinio().PresignedGetObject(context.Background(), config.MinioBucket, objectname, time.Second*24*60*60, reqParams)
+	if err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	return presignedURL.String()
+}
+
+func DownloadFileFromMinio(objectname string, filePath string) error {
+
+	// Uncomment this in case the code goes into panic at any point of time
+	// defer HandlePanic()
+
+	// Download and save the object as a file in the local filesystem.
+	err := GetMinio().FGetObject(context.Background(), config.MinioBucket, objectname, filePath, minio.GetObjectOptions{})
+	if err != nil {
+		fmt.Println(err)
+		return err
+	}
+	return nil
+}
+
+func UploadFileInMinio(objectname string, filePath string, contentType string) string {
+
+	// Upload the test file with FPutObject
+	info, err := GetMinio().FPutObject(context.Background(), config.MinioBucket, objectname, filePath, minio.PutObjectOptions{ContentType: contentType})
+	if err != nil {
+		fmt.Println(err)
+		return ""
+	}
+	fmt.Printf("Successfully uploaded %s of size %d\n", objectname, info.Size)
+	return info.ETag
+}