github.com/qiniu/go-sdk/v7@v7.27.0/internal/configfile/config_file.go (about)

     1  package configfile
     2  
     3  import (
     4  	"errors"
     5  	"path/filepath"
     6  	"strings"
     7  	"sync"
     8  
     9  	"github.com/BurntSushi/toml"
    10  	"github.com/qiniu/go-sdk/v7/internal/env"
    11  )
    12  
    13  type profileConfig struct {
    14  	AccessKey             string      `toml:"access_key"`
    15  	SecretKey             string      `toml:"secret_key"`
    16  	BucketURL             interface{} `toml:"bucket_url"`
    17  	DisableSecureProtocol bool        `toml:"disable_secure_protocol"`
    18  }
    19  
    20  var (
    21  	profileConfigs      map[string]*profileConfig
    22  	profileConfigsError error
    23  	profileConfigsOnce  sync.Once
    24  	ErrInvalidBucketUrl = errors.New("invalid bucket url")
    25  )
    26  
    27  func CredentialsFromConfigFile() (string, string, error) {
    28  	profile, err := getProfile()
    29  	if err != nil || profile == nil {
    30  		return "", "", err
    31  	} else if profile.AccessKey == "" || profile.SecretKey == "" {
    32  		return "", "", nil
    33  	}
    34  	return profile.AccessKey, profile.SecretKey, nil
    35  }
    36  
    37  func BucketURLsFromConfigFile() ([]string, error) {
    38  	profile, err := getProfile()
    39  	if err != nil || profile == nil {
    40  		return nil, err
    41  	} else if profile.BucketURL == "" {
    42  		return nil, nil
    43  	}
    44  	switch u := profile.BucketURL.(type) {
    45  	case string:
    46  		return strings.Split(u, ","), nil
    47  	case []interface{}:
    48  		var bucketUrls []string
    49  		for _, v := range u {
    50  			if s, ok := v.(string); ok {
    51  				bucketUrls = append(bucketUrls, s)
    52  			} else {
    53  				return nil, ErrInvalidBucketUrl
    54  			}
    55  		}
    56  		return bucketUrls, nil
    57  	}
    58  	return nil, ErrInvalidBucketUrl
    59  }
    60  
    61  func DisableSecureProtocolFromConfigFile() (bool, error) {
    62  	profile, err := getProfile()
    63  	if err != nil || profile == nil {
    64  		return false, err
    65  	}
    66  	return profile.DisableSecureProtocol, nil
    67  }
    68  
    69  func getProfile() (*profileConfig, error) {
    70  	if err := load(); err != nil {
    71  		return nil, err
    72  	}
    73  	profileName := env.ProfileFromEnvironment()
    74  	if profileName == "" {
    75  		profileName = "default"
    76  	}
    77  	profile, ok := profileConfigs[profileName]
    78  	if !ok || profile == nil {
    79  		return nil, nil
    80  	}
    81  	return profile, nil
    82  }
    83  
    84  func load() error {
    85  	profileConfigsOnce.Do(func() {
    86  		profileConfigsError = _load()
    87  	})
    88  	return profileConfigsError
    89  }
    90  
    91  func _load() error {
    92  	configFilePath := env.ConfigFileFromEnvironment()
    93  	if configFilePath == "" {
    94  		configFilePath = getDefaultConfigFilePath()
    95  	}
    96  	_, err := toml.DecodeFile(configFilePath, &profileConfigs)
    97  	return err
    98  }
    99  
   100  func getDefaultConfigFilePath() string {
   101  	homeDir, err := userHomeDir()
   102  	if err != nil {
   103  		homeDir = ""
   104  	}
   105  	return filepath.Join(homeDir, ".qiniu", "config.toml")
   106  }