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client.go
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client.go
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package connect
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"net/http"
"net/url"
"os"
"path/filepath"
"reflect"
"regexp"
"github.com/opentracing/opentracing-go"
"github.com/opentracing/opentracing-go/ext"
jaegerClientConfig "github.com/uber/jaeger-client-go/config"
"github.com/uber/jaeger-client-go/zipkin"
"github.com/1Password/connect-sdk-go/onepassword"
)
const (
defaultUserAgent = "connect-sdk-go/%s"
)
var (
vaultUUIDError = fmt.Errorf("malformed vault uuid provided")
itemUUIDError = fmt.Errorf("malformed item uuid provided")
fileUUIDError = fmt.Errorf("malformed file uuid provided")
)
// Client Represents an available 1Password Connect API to connect to
type Client interface {
GetVaults() ([]onepassword.Vault, error)
GetVault(uuid string) (*onepassword.Vault, error)
GetVaultByUUID(uuid string) (*onepassword.Vault, error)
GetVaultByTitle(title string) (*onepassword.Vault, error)
GetVaultsByTitle(uuid string) ([]onepassword.Vault, error)
GetItems(vaultQuery string) ([]onepassword.Item, error)
GetItem(itemQuery, vaultQuery string) (*onepassword.Item, error)
GetItemByUUID(uuid string, vaultQuery string) (*onepassword.Item, error)
GetItemByTitle(title string, vaultQuery string) (*onepassword.Item, error)
GetItemsByTitle(title string, vaultQuery string) ([]onepassword.Item, error)
CreateItem(item *onepassword.Item, vaultQuery string) (*onepassword.Item, error)
UpdateItem(item *onepassword.Item, vaultQuery string) (*onepassword.Item, error)
DeleteItem(item *onepassword.Item, vaultQuery string) error
DeleteItemByID(itemUUID string, vaultQuery string) error
DeleteItemByTitle(title string, vaultQuery string) error
GetFiles(itemQuery string, vaultQuery string) ([]onepassword.File, error)
GetFile(uuid string, itemQuery string, vaultQuery string) (*onepassword.File, error)
GetFileContent(file *onepassword.File) ([]byte, error)
DownloadFile(file *onepassword.File, targetDirectory string, overwrite bool) (string, error)
LoadStructFromItemByUUID(config interface{}, itemUUID string, vaultQuery string) error
LoadStructFromItemByTitle(config interface{}, itemTitle string, vaultQuery string) error
LoadStructFromItem(config interface{}, itemQuery string, vaultQuery string) error
LoadStruct(config interface{}) error
}
type httpClient interface {
Do(req *http.Request) (*http.Response, error)
}
const (
envHostVariable = "OP_CONNECT_HOST"
envTokenVariable = "OP_CONNECT_TOKEN"
)
// NewClientFromEnvironment Returns a Secret Service client assuming that your
// jwt is set in the OP_TOKEN environment variable
func NewClientFromEnvironment() (Client, error) {
host, found := os.LookupEnv(envHostVariable)
if !found {
return nil, fmt.Errorf("There is no hostname available in the %q variable", envHostVariable)
}
token, found := os.LookupEnv(envTokenVariable)
if !found {
return nil, fmt.Errorf("There is no token available in the %q variable", envTokenVariable)
}
return NewClient(host, token), nil
}
// NewClient Returns a Secret Service client for a given url and jwt
func NewClient(url string, token string) Client {
return NewClientWithUserAgent(url, token, fmt.Sprintf(defaultUserAgent, SDKVersion))
}
// NewClientWithUserAgent Returns a Secret Service client for a given url and jwt and identifies with userAgent
func NewClientWithUserAgent(url string, token string, userAgent string) Client {
if !opentracing.IsGlobalTracerRegistered() {
cfg := jaegerClientConfig.Configuration{}
zipkinPropagator := zipkin.NewZipkinB3HTTPHeaderPropagator()
cfg.InitGlobalTracer(
userAgent,
jaegerClientConfig.Injector(opentracing.HTTPHeaders, zipkinPropagator),
jaegerClientConfig.Extractor(opentracing.HTTPHeaders, zipkinPropagator),
jaegerClientConfig.ZipkinSharedRPCSpan(true),
)
}
return &restClient{
URL: url,
Token: token,
userAgent: userAgent,
tracer: opentracing.GlobalTracer(),
client: http.DefaultClient,
}
}
type restClient struct {
URL string
Token string
userAgent string
tracer opentracing.Tracer
client httpClient
}
// GetVaults Get a list of all available vaults
func (rs *restClient) GetVaults() ([]onepassword.Vault, error) {
span := rs.tracer.StartSpan("GetVaults")
defer span.Finish()
vaultURL := fmt.Sprintf("/v1/vaults")
request, err := rs.buildRequest(http.MethodGet, vaultURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var vaults []onepassword.Vault
if err := parseResponse(response, http.StatusOK, &vaults); err != nil {
return nil, err
}
return vaults, nil
}
// GetVault Get a vault based on its name or ID
func (rs *restClient) GetVault(vaultQuery string) (*onepassword.Vault, error) {
span := rs.tracer.StartSpan("GetVault")
defer span.Finish()
if vaultQuery == "" {
return nil, fmt.Errorf("Please provide either the vault name or its ID.")
}
if !isValidUUID(vaultQuery) {
return rs.GetVaultByTitle(vaultQuery)
}
return rs.GetVaultByUUID(vaultQuery)
}
func (rs *restClient) GetVaultByUUID(uuid string) (*onepassword.Vault, error) {
if !isValidUUID(uuid) {
return nil, vaultUUIDError
}
span := rs.tracer.StartSpan("GetVaultByUUID")
defer span.Finish()
vaultURL := fmt.Sprintf("/v1/vaults/%s", uuid)
request, err := rs.buildRequest(http.MethodGet, vaultURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var vault onepassword.Vault
if err := parseResponse(response, http.StatusOK, &vault); err != nil {
return nil, err
}
return &vault, nil
}
func (rs *restClient) GetVaultByTitle(vaultName string) (*onepassword.Vault, error) {
span := rs.tracer.StartSpan("GetVaultByTitle")
defer span.Finish()
vaults, err := rs.GetVaultsByTitle(vaultName)
if err != nil {
return nil, err
}
if len(vaults) != 1 {
return nil, fmt.Errorf("Found %d vaults with title %q", len(vaults), vaultName)
}
return &vaults[0], nil
}
func (rs *restClient) GetVaultsByTitle(title string) ([]onepassword.Vault, error) {
span := rs.tracer.StartSpan("GetVaultsByTitle")
defer span.Finish()
filter := url.QueryEscape(fmt.Sprintf("title eq \"%s\"", title))
itemURL := fmt.Sprintf("/v1/vaults?filter=%s", filter)
request, err := rs.buildRequest(http.MethodGet, itemURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var vaults []onepassword.Vault
if err := parseResponse(response, http.StatusOK, &vaults); err != nil {
return nil, err
}
return vaults, nil
}
func (rs *restClient) getVaultUUID(vaultQuery string) (string, error) {
if vaultQuery == "" {
return "", fmt.Errorf("Please provide either the vault name or its ID.")
}
if isValidUUID(vaultQuery) {
return vaultQuery, nil
}
vault, err := rs.GetVaultByTitle(vaultQuery)
if err != nil {
return "", err
}
return vault.ID, nil
}
// GetItem Get a specific Item from the 1Password Connect API by either title or UUID
func (rs *restClient) GetItem(itemQuery string, vaultQuery string) (*onepassword.Item, error) {
span := rs.tracer.StartSpan("GetItem")
defer span.Finish()
if itemQuery == "" {
return nil, fmt.Errorf("Please provide either the item name or its ID.")
}
if !isValidUUID(itemQuery) {
return rs.GetItemByTitle(itemQuery, vaultQuery)
}
return rs.GetItemByUUID(itemQuery, vaultQuery)
}
// GetItemByUUID Get a specific Item from the 1Password Connect API by its UUID
func (rs *restClient) GetItemByUUID(uuid string, vaultQuery string) (*onepassword.Item, error) {
if !isValidUUID(uuid) {
return nil, itemUUIDError
}
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return nil, err
}
span := rs.tracer.StartSpan("GetItemByUUID")
defer span.Finish()
itemURL := fmt.Sprintf("/v1/vaults/%s/items/%s", vaultUUID, uuid)
request, err := rs.buildRequest(http.MethodGet, itemURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var item onepassword.Item
if err := parseResponse(response, http.StatusOK, &item); err != nil {
return nil, err
}
return &item, nil
}
func (rs *restClient) GetItemByTitle(title string, vaultQuery string) (*onepassword.Item, error) {
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return nil, err
}
span := rs.tracer.StartSpan("GetItemByTitle")
defer span.Finish()
items, err := rs.GetItemsByTitle(title, vaultUUID)
if err != nil {
return nil, err
}
if len(items) != 1 {
return nil, fmt.Errorf("Found %d item(s) in vault %q with title %q", len(items), vaultUUID, title)
}
return &items[0], nil
}
func (rs *restClient) GetItemsByTitle(title string, vaultQuery string) ([]onepassword.Item, error) {
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return nil, err
}
span := rs.tracer.StartSpan("GetItemsByTitle")
defer span.Finish()
filter := url.QueryEscape(fmt.Sprintf("title eq \"%s\"", title))
itemURL := fmt.Sprintf("/v1/vaults/%s/items?filter=%s", vaultUUID, filter)
request, err := rs.buildRequest(http.MethodGet, itemURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var itemSummaries []onepassword.Item
if err := parseResponse(response, http.StatusOK, &itemSummaries); err != nil {
return nil, err
}
items := make([]onepassword.Item, len(itemSummaries))
for i, itemSummary := range itemSummaries {
tempItem, err := rs.GetItem(itemSummary.ID, itemSummary.Vault.ID)
if err != nil {
return nil, err
}
items[i] = *tempItem
}
return items, nil
}
func (rs *restClient) GetItems(vaultQuery string) ([]onepassword.Item, error) {
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return nil, err
}
span := rs.tracer.StartSpan("GetItems")
defer span.Finish()
itemURL := fmt.Sprintf("/v1/vaults/%s/items", vaultUUID)
request, err := rs.buildRequest(http.MethodGet, itemURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var items []onepassword.Item
if err := parseResponse(response, http.StatusOK, &items); err != nil {
return nil, err
}
return items, nil
}
func (rs *restClient) getItemUUID(itemQuery string) (string, error) {
if itemQuery == "" {
return "", fmt.Errorf("Please provide either the item name or its ID.")
}
if isValidUUID(itemQuery) {
return itemQuery, nil
}
item, err := rs.GetVaultByTitle(itemQuery)
if err != nil {
return "", err
}
return item.ID, nil
}
// CreateItem Create a new item in a specified vault
func (rs *restClient) CreateItem(item *onepassword.Item, vaultQuery string) (*onepassword.Item, error) {
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return nil, err
}
span := rs.tracer.StartSpan("CreateItem")
defer span.Finish()
itemURL := fmt.Sprintf("/v1/vaults/%s/items", vaultUUID)
itemBody, err := json.Marshal(item)
if err != nil {
return nil, err
}
request, err := rs.buildRequest(http.MethodPost, itemURL, bytes.NewBuffer(itemBody), span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var newItem onepassword.Item
if err := parseResponse(response, http.StatusOK, &newItem); err != nil {
return nil, err
}
return &newItem, nil
}
// UpdateItem Update a new item in a specified vault
func (rs *restClient) UpdateItem(item *onepassword.Item, vaultUUID string) (*onepassword.Item, error) {
span := rs.tracer.StartSpan("UpdateItem")
defer span.Finish()
itemURL := fmt.Sprintf("/v1/vaults/%s/items/%s", item.Vault.ID, item.ID)
itemBody, err := json.Marshal(item)
if err != nil {
return nil, err
}
request, err := rs.buildRequest(http.MethodPut, itemURL, bytes.NewBuffer(itemBody), span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
var newItem onepassword.Item
if err := parseResponse(response, http.StatusOK, &newItem); err != nil {
return nil, err
}
return &newItem, nil
}
// DeleteItem Delete a new item in a specified vault
func (rs *restClient) DeleteItem(item *onepassword.Item, vaultUUID string) error {
span := rs.tracer.StartSpan("DeleteItem")
defer span.Finish()
itemURL := fmt.Sprintf("/v1/vaults/%s/items/%s", item.Vault.ID, item.ID)
request, err := rs.buildRequest(http.MethodDelete, itemURL, http.NoBody, span)
if err != nil {
return err
}
response, err := rs.client.Do(request)
if err != nil {
return err
}
if err := parseResponse(response, http.StatusNoContent, nil); err != nil {
return err
}
return nil
}
// DeleteItemByID Delete a new item in a specified vault, specifying the item's uuid
func (rs *restClient) DeleteItemByID(itemUUID string, vaultQuery string) error {
if !isValidUUID(itemUUID) {
return itemUUIDError
}
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return err
}
span := rs.tracer.StartSpan("DeleteItemByID")
defer span.Finish()
itemURL := fmt.Sprintf("/v1/vaults/%s/items/%s", vaultUUID, itemUUID)
request, err := rs.buildRequest(http.MethodDelete, itemURL, http.NoBody, span)
if err != nil {
return err
}
response, err := rs.client.Do(request)
if err != nil {
return err
}
if err := parseResponse(response, http.StatusNoContent, nil); err != nil {
return err
}
return nil
}
// DeleteItemByTitle Delete a new item in a specified vault, specifying the item's title
func (rs *restClient) DeleteItemByTitle(title string, vaultQuery string) error {
span := rs.tracer.StartSpan("DeleteItemByTitle")
defer span.Finish()
item, err := rs.GetItemByTitle(title, vaultQuery)
if err != nil {
return err
}
return rs.DeleteItem(item, item.Vault.ID)
}
func (rs *restClient) GetFiles(itemQuery string, vaultQuery string) ([]onepassword.File, error) {
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return nil, err
}
itemUUID, err := rs.getItemUUID(itemQuery)
if err != nil {
return nil, err
}
span := rs.tracer.StartSpan("GetFiles")
defer span.Finish()
jsonURL := fmt.Sprintf("/v1/vaults/%s/items/%s/files", vaultUUID, itemUUID)
request, err := rs.buildRequest(http.MethodGet, jsonURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
if err := expectMinimumConnectVersion(response, version{1, 3, 0}); err != nil {
return nil, err
}
var files []onepassword.File
if err := parseResponse(response, http.StatusOK, &files); err != nil {
return nil, err
}
return files, nil
}
// GetFile Get a specific File in a specified item.
// This does not include the file contents. Call GetFileContent() to load the file's content.
func (rs *restClient) GetFile(uuid string, itemQuery string, vaultQuery string) (*onepassword.File, error) {
if !isValidUUID(uuid) {
return nil, fileUUIDError
}
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return nil, err
}
itemUUID, err := rs.getItemUUID(itemQuery)
if err != nil {
return nil, err
}
span := rs.tracer.StartSpan("GetFile")
defer span.Finish()
itemURL := fmt.Sprintf("/v1/vaults/%s/items/%s/files/%s", vaultUUID, itemUUID, uuid)
request, err := rs.buildRequest(http.MethodGet, itemURL, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
if err := expectMinimumConnectVersion(response, version{1, 3, 0}); err != nil {
return nil, err
}
var file onepassword.File
if err := parseResponse(response, http.StatusOK, &file); err != nil {
return nil, err
}
return &file, nil
}
// GetFileContent retrieves the file's content.
// If the file's content have previously been fetched, those contents are returned without making another request.
func (rs *restClient) GetFileContent(file *onepassword.File) ([]byte, error) {
if content, err := file.Content(); err == nil {
return content, nil
}
response, err := rs.retrieveDocumentContent(file)
if err != nil {
return nil, err
}
content, err := readResponseBody(response, http.StatusOK)
if err != nil {
return nil, err
}
file.SetContent(content)
return content, nil
}
func (rs *restClient) DownloadFile(file *onepassword.File, targetDirectory string, overwriteIfExists bool) (string, error) {
response, err := rs.retrieveDocumentContent(file)
if err != nil {
return "", err
}
path := filepath.Join(targetDirectory, filepath.Base(file.Name))
var osFile *os.File
if overwriteIfExists {
osFile, err = createFile(path)
if err != nil {
return "", err
}
} else {
_, err = os.Stat(path)
if os.IsNotExist(err) {
osFile, err = createFile(path)
if err != nil {
return "", err
}
} else {
return "", fmt.Errorf("a file already exists under the %s path. In order to overwrite it, set `overwriteIfExists` to true", path)
}
}
defer osFile.Close()
if _, err = io.Copy(osFile, response.Body); err != nil {
return "", err
}
return path, nil
}
func (rs *restClient) retrieveDocumentContent(file *onepassword.File) (*http.Response, error) {
span := rs.tracer.StartSpan("GetFileContent")
defer span.Finish()
request, err := rs.buildRequest(http.MethodGet, file.ContentPath, http.NoBody, span)
if err != nil {
return nil, err
}
response, err := rs.client.Do(request)
if err != nil {
return nil, err
}
if err := expectMinimumConnectVersion(response, version{1, 3, 0}); err != nil {
return nil, err
}
return response, nil
}
func createFile(path string) (*os.File, error) {
osFile, err := os.Create(path)
if err != nil {
return nil, err
}
err = os.Chmod(path, 0600)
if err != nil {
return nil, err
}
return osFile, nil
}
func (rs *restClient) buildRequest(method string, path string, body io.Reader, span opentracing.Span) (*http.Request, error) {
url := fmt.Sprintf("%s%s", rs.URL, path)
request, err := http.NewRequest(method, url, body)
if err != nil {
return nil, err
}
request.Header.Set("Content-Type", "application/json")
request.Header.Set("Authorization", fmt.Sprintf("Bearer %s", rs.Token))
request.Header.Set("User-Agent", rs.userAgent)
ext.SpanKindRPCClient.Set(span)
ext.HTTPUrl.Set(span, path)
ext.HTTPMethod.Set(span, method)
rs.tracer.Inject(span.Context(), opentracing.HTTPHeaders, opentracing.HTTPHeadersCarrier(request.Header))
return request, nil
}
func loadToStruct(item *parsedItem, config reflect.Value) error {
t := config.Type()
for i := 0; i < t.NumField(); i++ {
value := config.Field(i)
field := t.Field(i)
if !value.CanSet() {
return fmt.Errorf("cannot load config into private fields")
}
item.fields = append(item.fields, &field)
item.values = append(item.values, &value)
}
return nil
}
// LoadStructFromItem Load configuration values based on struct tag from one 1P item.
// It accepts as parameters item title/UUID and vault title/UUID.
func (rs *restClient) LoadStructFromItem(i interface{}, itemQuery string, vaultQuery string) error {
if itemQuery == "" {
return fmt.Errorf("Please provide either the item name or its ID.")
}
if isValidUUID(itemQuery) {
return rs.LoadStructFromItemByUUID(i, itemQuery, vaultQuery)
}
return rs.LoadStructFromItemByTitle(i, itemQuery, vaultQuery)
}
// LoadStructFromItemByUUID Load configuration values based on struct tag from one 1P item.
func (rs *restClient) LoadStructFromItemByUUID(i interface{}, itemUUID string, vaultQuery string) error {
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return err
}
if !isValidUUID(itemUUID) {
return itemUUIDError
}
config, err := checkStruct(i)
if err != nil {
return err
}
item := parsedItem{}
item.itemUUID = itemUUID
item.vaultUUID = vaultUUID
if err := loadToStruct(&item, config); err != nil {
return err
}
if err := setValuesForTag(rs, &item, false); err != nil {
return err
}
return nil
}
// LoadStructFromItemByTitle Load configuration values based on struct tag from one 1P item
func (rs *restClient) LoadStructFromItemByTitle(i interface{}, itemTitle string, vaultQuery string) error {
vaultUUID, err := rs.getVaultUUID(vaultQuery)
if err != nil {
return err
}
config, err := checkStruct(i)
if err != nil {
return err
}
item := parsedItem{}
item.itemTitle = itemTitle
item.vaultUUID = vaultUUID
if err := loadToStruct(&item, config); err != nil {
return err
}
if err := setValuesForTag(rs, &item, true); err != nil {
return err
}
return nil
}
// LoadStruct Load configuration values based on struct tag
func (rs *restClient) LoadStruct(i interface{}) error {
config, err := checkStruct(i)
if err != nil {
return err
}
t := config.Type()
// Multiple fields may be from a single item so we will collect them
items := map[string]parsedItem{}
// Fetch the Vault from the environment
vaultUUID, envVarFound := os.LookupEnv(envVaultVar)
for i := 0; i < t.NumField(); i++ {
value := config.Field(i)
field := t.Field(i)
tag := field.Tag.Get(itemTag)
if tag == "" {
continue
}
if !value.CanSet() {
return fmt.Errorf("Cannot load config into private fields")
}
itemVault, err := vaultUUIDForField(&field, vaultUUID, envVarFound)
if err != nil {
return err
}
if !isValidUUID(itemVault) {
return vaultUUIDError
}
key := fmt.Sprintf("%s/%s", itemVault, tag)
parsed := items[key]
parsed.vaultUUID = itemVault
parsed.itemTitle = tag
parsed.fields = append(parsed.fields, &field)
parsed.values = append(parsed.values, &value)
items[key] = parsed
}
for _, item := range items {
if err := setValuesForTag(rs, &item, true); err != nil {
return err
}
}
return nil
}
func parseResponse(resp *http.Response, expectedStatusCode int, result interface{}) error {
body, err := readResponseBody(resp, expectedStatusCode)
if err != nil {
return err
}
if result != nil {
if err := json.Unmarshal(body, result); err != nil {
return fmt.Errorf("decoding response: %s", err)
}
}
return nil
}
func readResponseBody(resp *http.Response, expectedStatusCode int) ([]byte, error) {
defer resp.Body.Close()
body, err := ioutil.ReadAll(resp.Body)
if err != nil {
return nil, err
}
if resp.StatusCode != expectedStatusCode {
var errResp *onepassword.Error
if err := json.Unmarshal(body, &errResp); err != nil {
return nil, fmt.Errorf("decoding error response: %s", err)
}
return nil, errResp
}
return body, nil
}
func isValidUUID(u string) bool {
r := regexp.MustCompile("^[a-z0-9]{26}$")
return r.MatchString(u)
}