This commit is contained in:
2026-07-21 15:53:29 +08:00
parent 024b6614ba
commit c943f575d5
40 changed files with 5362 additions and 275 deletions

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package fadada
// ---- 通用 ----
type openID struct {
IDType string `json:"idType"`
OpenID string `json:"openId"`
}
// ---- accessToken ----
type accessTokenData struct {
AccessToken string `json:"accessToken"`
ExpiresIn string `json:"expiresIn"`
}
// ---- /corp/get-auth-url ----
type getCorpAuthURLReq struct {
ClientCorpID string `json:"clientCorpId"`
ClientUserID string `json:"clientUserId,omitempty"`
AccountName string `json:"accountName,omitempty"`
CorpIdentInfo *corpIdentInfo `json:"corpIdentInfo,omitempty"`
CorpNonEditableInfo []string `json:"corpNonEditableInfo,omitempty"`
OprIdentInfo *oprIdentInfo `json:"oprIdentInfo,omitempty"`
OprNonEditableInfo []string `json:"oprNonEditableInfo,omitempty"`
CorpIdentInfoMatch bool `json:"corpIdentInfoMatch"`
AuthScopes []string `json:"authScopes,omitempty"`
RedirectURL string `json:"redirectUrl,omitempty"`
}
type corpIdentInfo struct {
CorpName string `json:"corpName,omitempty"`
CorpIdentType string `json:"corpIdentType,omitempty"`
CorpIdentNo string `json:"corpIdentNo,omitempty"`
LegalRepName string `json:"legalRepName,omitempty"`
CorpIdentMethod []string `json:"corpIdentMethod,omitempty"`
}
type oprIdentInfo struct {
UserName string `json:"userName,omitempty"`
UserIdentType string `json:"userIdentType,omitempty"`
UserIdentNo string `json:"userIdentNo,omitempty"`
Mobile string `json:"mobile,omitempty"`
OprIdentMethod []string `json:"oprIdentMethod,omitempty"`
}
type getCorpAuthURLData struct {
AuthURL string `json:"authUrl"`
}
// ---- /corp/get-identified-status ----
type getIdentifiedStatusReq struct {
CorpName string `json:"corpName,omitempty"`
CorpIdentNo string `json:"corpIdentNo,omitempty"`
}
type getIdentifiedStatusData struct {
IdentStatus bool `json:"identStatus"`
}
// ---- 模板 / 签署 ----
type docFieldValue struct {
// DocID 签署任务中的文档标识fill-values 接口必填(缺则报 100012 docId 不能为空)
DocID string `json:"docId,omitempty"`
// FieldDocID 部分文档/示例使用 fieldDocId与 DocID 同值一并传以保证兼容
FieldDocID string `json:"fieldDocId,omitempty"`
FieldID string `json:"fieldId"`
FieldName string `json:"fieldName,omitempty"`
FieldValue string `json:"fieldValue"`
}
type fillDocTemplateReq struct {
OwnerID *openID `json:"ownerId"`
DocTemplateID string `json:"docTemplateId"`
FileName string `json:"fileName,omitempty"`
DocFieldValues []docFieldValue `json:"docFieldValues"`
}
type fillDocTemplateData struct {
FileID string `json:"fileId"`
FileDownloadURL string `json:"fileDownloadUrl"`
}
type fillSignTaskFieldsReq struct {
SignTaskID string `json:"signTaskId"`
DocFieldValues []docFieldValue `json:"docFieldValues"`
}
type signTaskActor struct {
Actor *actor `json:"actor"`
SignConfigInfo *signConfigInfo `json:"signConfigInfo,omitempty"`
}
type actor struct {
ActorType string `json:"actorType"`
ActorID string `json:"actorId"`
ActorName string `json:"actorName,omitempty"`
Permissions []string `json:"permissions,omitempty"`
ActorOpenID string `json:"actorOpenId,omitempty"`
IdentNameForMatch string `json:"identNameForMatch,omitempty"`
CertNoForMatch string `json:"certNoForMatch,omitempty"`
AccountName string `json:"accountName,omitempty"`
ClientUserID string `json:"clientUserId,omitempty"`
}
type signConfigInfo struct {
OrderNo int `json:"orderNo"`
JoinByLink bool `json:"joinByLink"`
RequestVerifyFree bool `json:"requestVerifyFree"`
FreeSignType string `json:"freeSignType,omitempty"` // template=按模板免验证签business=按场景码(需 businessId
FreeLogin bool `json:"freeLogin"`
BlockHere bool `json:"blockHere"`
}
type createSignTaskWithTemplateReq struct {
SignTaskSubject string `json:"signTaskSubject"`
Initiator *openID `json:"initiator"`
SignTemplateID string `json:"signTemplateId"`
AutoStart bool `json:"autoStart"`
AutoFillFinalize bool `json:"autoFillFinalize"`
AutoFinish bool `json:"autoFinish"`
SignInOrder bool `json:"signInOrder,omitempty"`
ExpiresTime string `json:"expiresTime,omitempty"`
FreeSignType string `json:"freeSignType,omitempty"` // template按模板business按场景码
BusinessID string `json:"businessId,omitempty"` // 仅 freeSignType=business 时传场景码
TransReferenceID string `json:"transReferenceId,omitempty"`
Actors []signTaskActor `json:"actors"`
}
type createSignTaskData struct {
SignTaskID string `json:"signTaskId"`
}
type startSignTaskReq struct {
SignTaskID string `json:"signTaskId"`
}
type getActorURLReq struct {
SignTaskID string `json:"signTaskId"`
ActorID string `json:"actorId"`
RedirectURL string `json:"redirectUrl,omitempty"`
}
type getActorURLData struct {
ActorSignTaskURL string `json:"actorSignTaskUrl"`
ActorSignTaskEmbedURL string `json:"actorSignTaskEmbedUrl"`
}
type getSignTaskPreviewURLReq struct {
SignTaskID string `json:"signTaskId"`
RedirectURL string `json:"redirectUrl,omitempty"`
}
type getSignTaskPreviewURLData struct {
SignTaskPreviewURL string `json:"signTaskPreviewUrl"`
}
type getSignTaskDetailReq struct {
SignTaskID string `json:"signTaskId"`
}
type getSignTaskDetailData struct {
SignTaskID string `json:"signTaskId"`
SignTaskStatus string `json:"signTaskStatus"`
FinishTime string `json:"finishTime,omitempty"`
TerminationNote string `json:"terminationNote,omitempty"`
RevokeReason string `json:"revokeReason,omitempty"`
Docs []signTaskDocBrief `json:"docs,omitempty"`
}
type signTaskDocBrief struct {
DocID string `json:"docId"`
DocName string `json:"docName,omitempty"`
}
type getOwnerDownloadURLReq struct {
OwnerID *openID `json:"ownerId"`
SignTaskID string `json:"signTaskId"`
FileType string `json:"fileType,omitempty"`
}
type getOwnerDownloadURLData struct {
DownloadURL string `json:"downloadUrl"`
DownloadID string `json:"downloadId,omitempty"`
}

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package fadada
import (
"encoding/json"
"fmt"
"net/http"
"strings"
)
// 常见回调事件名(以官方实际推送为准,解析时兼容多种字段)
const (
CallbackEventSignTaskSigned = "sign-task-signed"
CallbackEventSignTaskFinished = "sign-task-finished"
CallbackEventSignTaskCanceled = "sign-task-canceled"
CallbackEventCorpAuthorize = "corp-authorize"
CallbackEventCorpAuthSuccess = "corp-authorize-success"
)
// SuccessCallbackBody 回调应答,约定返回成功
var SuccessCallbackBody = []byte(`{"msg":"success"}`)
// VerifyCallback 校验法大大回调签名HMAC-SHA256与出站请求同一套算法
func (c *Client) VerifyCallback(headers map[string]string, bizContent string) error {
if c.config == nil || c.config.AppSecret == "" {
return fmt.Errorf("法大大 app_secret 未配置,无法验签")
}
normalized := normalizeHeaderMap(headers)
sign := firstHeader(normalized, "X-FASC-Sign", "X-Fasc-Sign")
if sign == "" {
return fmt.Errorf("缺少回调签名头 X-FASC-Sign")
}
timestamp := firstHeader(normalized, "X-FASC-Timestamp", "X-Fasc-Timestamp")
if timestamp == "" {
return fmt.Errorf("缺少回调时间戳头 X-FASC-Timestamp")
}
headMap := map[string]string{
"X-FASC-App-Id": firstHeader(normalized, "X-FASC-App-Id", "X-Fasc-App-Id"),
"X-FASC-Sign-Type": firstHeader(normalized, "X-FASC-Sign-Type", "X-Fasc-Sign-Type"),
"X-FASC-Timestamp": timestamp,
"X-FASC-Nonce": firstHeader(normalized, "X-FASC-Nonce", "X-Fasc-Nonce"),
"X-FASC-Api-SubVersion": firstHeader(normalized, "X-FASC-Api-SubVersion", "X-Fasc-Api-SubVersion"),
"bizContent": bizContent,
}
if event := firstHeader(normalized, "X-FASC-Event", "X-Fasc-Event"); event != "" {
headMap["X-FASC-Event"] = event
}
if token := firstHeader(normalized, "X-FASC-AccessToken", "X-Fasc-AccessToken"); token != "" {
headMap["X-FASC-AccessToken"] = token
}
expected := SignByMap(headMap, timestamp, c.config.AppSecret)
if !strings.EqualFold(expected, sign) {
return fmt.Errorf("法大大回调签名校验失败")
}
appID := firstHeader(normalized, "X-FASC-App-Id", "X-Fasc-App-Id")
if appID != "" && c.config.AppID != "" && appID != c.config.AppID {
return fmt.Errorf("法大大回调 AppId 不匹配")
}
return nil
}
// VerifyCallbackFromHTTP 从 http.Header 验签
func (c *Client) VerifyCallbackFromHTTP(h http.Header, bizContent string) error {
headers := make(map[string]string, len(h))
for k, vals := range h {
if len(vals) > 0 {
headers[k] = vals[0]
}
}
return c.VerifyCallback(headers, bizContent)
}
// ParseCallback 解析 bizContent 为统一 CallbackEvent
func (c *Client) ParseCallback(headers map[string]string, bizContent string) (*CallbackEvent, error) {
bizContent = strings.TrimSpace(bizContent)
if bizContent == "" {
return nil, fmt.Errorf("回调 bizContent 不能为空")
}
raw := make(map[string]interface{})
if err := json.Unmarshal([]byte(bizContent), &raw); err != nil {
return nil, fmt.Errorf("解析回调 bizContent 失败: %w", err)
}
normalized := normalizeHeaderMap(headers)
event := firstHeader(normalized, "X-FASC-Event", "X-Fasc-Event")
if event == "" {
event = stringValue(raw, "event", "eventType", "type")
}
ev := &CallbackEvent{
Event: event,
SignTaskID: stringValue(raw, "signTaskId", "sign_task_id"),
SignTaskStatus: stringValue(raw, "signTaskStatus", "sign_task_status"),
ClientCorpID: stringValue(raw, "clientCorpId", "client_corp_id"),
OpenCorpID: stringValue(raw, "openCorpId", "open_corp_id"),
AuthResult: stringValue(raw, "authResult", "auth_result", "result"),
EventTime: stringValue(raw, "eventTime", "event_time", "timestamp"),
Raw: raw,
}
if data, ok := raw["data"].(map[string]interface{}); ok {
if ev.SignTaskID == "" {
ev.SignTaskID = stringValue(data, "signTaskId", "sign_task_id")
}
if ev.SignTaskStatus == "" {
ev.SignTaskStatus = stringValue(data, "signTaskStatus", "sign_task_status")
}
if ev.ClientCorpID == "" {
ev.ClientCorpID = stringValue(data, "clientCorpId", "client_corp_id")
}
if ev.OpenCorpID == "" {
ev.OpenCorpID = stringValue(data, "openCorpId", "open_corp_id")
}
if ev.AuthResult == "" {
ev.AuthResult = stringValue(data, "authResult", "auth_result", "result")
}
}
return ev, nil
}
// IsSignCompletedCallback 是否签署完成类回调
func (e *CallbackEvent) IsSignCompletedCallback() bool {
if e == nil {
return false
}
if IsSignTaskCompletedStatus(e.SignTaskStatus) {
return true
}
switch e.Event {
case CallbackEventSignTaskFinished, CallbackEventSignTaskSigned:
return true
default:
return false
}
}
func normalizeHeaderMap(headers map[string]string) map[string]string {
out := make(map[string]string, len(headers))
for k, v := range headers {
out[http.CanonicalHeaderKey(k)] = v
out[k] = v
}
return out
}
func firstHeader(headers map[string]string, keys ...string) string {
for _, key := range keys {
if v := strings.TrimSpace(headers[key]); v != "" {
return v
}
if v := strings.TrimSpace(headers[http.CanonicalHeaderKey(key)]); v != "" {
return v
}
}
return ""
}
func stringValue(m map[string]interface{}, keys ...string) string {
for _, key := range keys {
if v, ok := m[key]; ok && v != nil {
switch t := v.(type) {
case string:
if strings.TrimSpace(t) != "" {
return strings.TrimSpace(t)
}
case float64:
return fmt.Sprintf("%.0f", t)
case json.Number:
return t.String()
default:
s := strings.TrimSpace(fmt.Sprint(t))
if s != "" && s != "<nil>" {
return s
}
}
}
}
return ""
}

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package fadada
import "testing"
func TestVerifyCallback(t *testing.T) {
secret := "test-secret"
c := NewClient(&Config{
AppID: "80005307",
AppSecret: secret,
ServerURL: "https://uat-api.fadada.com/api/v5/",
})
biz := `{"signTaskId":"st-1","signTaskStatus":"task_finished"}`
timestamp := "1720000000000"
nonce := "nonce-1"
headMap := map[string]string{
"X-FASC-App-Id": "80005307",
"X-FASC-Sign-Type": "HMAC-SHA256",
"X-FASC-Timestamp": timestamp,
"X-FASC-Nonce": nonce,
"X-FASC-Event": "sign-task-finished",
"bizContent": biz,
}
sign := SignByMap(headMap, timestamp, secret)
headers := map[string]string{
"X-FASC-App-Id": "80005307",
"X-FASC-Sign-Type": "HMAC-SHA256",
"X-FASC-Timestamp": timestamp,
"X-FASC-Nonce": nonce,
"X-FASC-Event": "sign-task-finished",
"X-FASC-Sign": sign,
}
if err := c.VerifyCallback(headers, biz); err != nil {
t.Fatalf("verify failed: %v", err)
}
headers["X-FASC-Sign"] = "deadbeef"
if err := c.VerifyCallback(headers, biz); err == nil {
t.Fatal("expected signature failure")
}
}
func TestSignByMapStable(t *testing.T) {
m := map[string]string{
"X-FASC-App-Id": "app",
"X-FASC-Nonce": "n1",
"X-FASC-Sign-Type": "HMAC-SHA256",
"X-FASC-Timestamp": "1720000000000",
"bizContent": `{"a":1}`,
}
s1 := SignByMap(m, "1720000000000", "secret")
s2 := SignByMap(m, "1720000000000", "secret")
if s1 == "" || s1 != s2 {
t.Fatalf("signature unstable: %s vs %s", s1, s2)
}
}

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package fadada
import "sync"
// API 路径常量FASC OpenAPI v5.1
const (
pathGetAccessToken = "/service/get-access-token"
pathGetCorpAuthURL = "/corp/get-auth-url"
pathGetCorpIdentifiedStatus = "/corp/get-identified-status"
pathFillDocTemplateValues = "/doc-template/fill-values"
pathCreateSignTaskTemplate = "/sign-task/create-with-template"
pathFillSignTaskFieldValues = "/sign-task/field/fill-values"
pathStartSignTask = "/sign-task/start"
pathGetSignTaskActorURL = "/sign-task/actor/get-url"
pathGetSignTaskDetail = "/sign-task/app/get-detail"
pathGetSignTaskPreviewURL = "/sign-task/get-preview-url"
pathGetOwnerSignTaskDownload = "/sign-task/owner/get-download-url"
)
// Client 法大大客户端(纯 HTTP不依赖官方 SDK
type Client struct {
config *Config
http *HTTPClient
tokenCache *tokenCache
tokenMu sync.Mutex
}
// NewClient 创建法大大客户端
func NewClient(config *Config) *Client {
return &Client{
config: config,
http: NewHTTPClient(config),
tokenCache: &tokenCache{},
}
}
// GetConfig 获取当前配置
func (c *Client) GetConfig() *Config {
return c.config
}

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package fadada
import (
"fmt"
"strings"
)
// AuthConfig 认证相关配置
type AuthConfig struct {
RedirectURL string `json:"redirectUrl" yaml:"redirect_url"`
}
// SignConfig 签署相关配置
type SignConfig struct {
RedirectURL string `json:"redirectUrl" yaml:"redirect_url"`
}
// ContractConfig 合同相关配置
type ContractConfig struct {
Name string `json:"name" yaml:"name"`
ExpireDays int `json:"expireDays" yaml:"expire_days"`
RetryCount int `json:"retryCount" yaml:"retry_count"`
}
// CallbackConfig 回调配置
type CallbackConfig struct {
Enabled bool `json:"enabled" yaml:"enabled"`
}
// TemplateFields 合作协议模板控件 fieldId
type TemplateFields struct {
// AgreementNo 协议编号控件编码列表(法大大控件不可复用,多处填同一值)
AgreementNo []string `json:"agreementNo" yaml:"agreement_no"`
ContractDate string `json:"contractDate" yaml:"contract_date"`
// PartyAName 甲方企业名控件编码列表(多处填同一企业名)
PartyAName []string `json:"partyAName" yaml:"party_a_name"`
PartyAUSCC string `json:"partyAUscc" yaml:"party_a_uscc"`
PartyAAddress string `json:"partyAAddress" yaml:"party_a_address"`
PartyARep string `json:"partyARep" yaml:"party_a_rep"`
PartyASignDate string `json:"partyASignDate" yaml:"party_a_sign_date"`
PartyBSignDate string `json:"partyBSignDate" yaml:"party_b_sign_date"`
}
// Config 法大大服务配置
type Config struct {
AppID string `json:"appId" yaml:"app_id"`
AppSecret string `json:"appSecret" yaml:"app_secret"`
ServerURL string `json:"serverUrl" yaml:"server_url"`
OpenCorpID string `json:"openCorpId" yaml:"open_corp_id"`
// NoAuthSceneCode 免验证签场景码;仅 freeSignType=business 时需要。当前按模板免验证签,可留空。
NoAuthSceneCode string `json:"noAuthSceneCode" yaml:"no_auth_scene_code"`
TemplateID string `json:"templateId" yaml:"template_id"`
// PartyAActorID / PartyBActorID 签署模板中的参与方标识actorId须与模板角色名一致
PartyAActorID string `json:"partyAActorId" yaml:"party_a_actor_id"`
PartyBActorID string `json:"partyBActorId" yaml:"party_b_actor_id"`
// TemplateDocID 签署模板文档 docId填单必填为空则创建任务后从详情自动解析
TemplateDocID string `json:"templateDocId" yaml:"template_doc_id"`
TemplateFields *TemplateFields `json:"templateFields" yaml:"template_fields"`
Contract *ContractConfig `json:"contract" yaml:"contract"`
Auth *AuthConfig `json:"auth" yaml:"auth"`
Sign *SignConfig `json:"sign" yaml:"sign"`
Callback *CallbackConfig `json:"callback" yaml:"callback"`
}
// NewConfig 创建并校验法大大配置
func NewConfig(
appID, appSecret, serverURL, openCorpID, noAuthSceneCode, templateID string,
partyAActorID, partyBActorID, templateDocID string,
fields *TemplateFields,
contract *ContractConfig,
auth *AuthConfig,
sign *SignConfig,
callback *CallbackConfig,
) (*Config, error) {
if appID == "" {
return nil, fmt.Errorf("法大大应用ID不能为空")
}
if appSecret == "" {
return nil, fmt.Errorf("法大大应用密钥不能为空")
}
if serverURL == "" {
return nil, fmt.Errorf("法大大服务器URL不能为空")
}
return &Config{
AppID: appID,
AppSecret: appSecret,
ServerURL: serverURL,
OpenCorpID: openCorpID,
NoAuthSceneCode: noAuthSceneCode,
TemplateID: templateID,
PartyAActorID: partyAActorID,
PartyBActorID: partyBActorID,
TemplateDocID: templateDocID,
TemplateFields: fields,
Contract: contract,
Auth: auth,
Sign: sign,
Callback: callback,
}, nil
}
// Validate 验证配置完整性
func (c *Config) Validate() error {
if c.AppID == "" {
return fmt.Errorf("法大大应用ID不能为空")
}
if c.AppSecret == "" {
return fmt.Errorf("法大大应用密钥不能为空")
}
if c.ServerURL == "" {
return fmt.Errorf("法大大服务器URL不能为空")
}
return nil
}
// ValidateTemplateFields 校验模板填单所需配置
func (c *Config) ValidateTemplateFields() error {
if c.TemplateID == "" {
return fmt.Errorf("法大大模板ID不能为空")
}
if c.OpenCorpID == "" {
return fmt.Errorf("法大大 open_corp_id 不能为空")
}
if c.TemplateFields == nil {
return fmt.Errorf("法大大 template_fields 未配置")
}
f := c.TemplateFields
if len(f.AgreementNo) == 0 {
return fmt.Errorf("法大大 template_fields.agreement_no 不能为空")
}
for i, id := range f.AgreementNo {
if strings.TrimSpace(id) == "" {
return fmt.Errorf("法大大 template_fields.agreement_no[%d] 不能为空", i)
}
}
if len(f.PartyAName) == 0 {
return fmt.Errorf("法大大 template_fields.party_a_name 不能为空")
}
for i, id := range f.PartyAName {
if strings.TrimSpace(id) == "" {
return fmt.Errorf("法大大 template_fields.party_a_name[%d] 不能为空", i)
}
}
// party_a/b_sign_date 为签署控件,签署时自动写入,填单可不配
required := map[string]string{
"contract_date": f.ContractDate,
"party_a_uscc": f.PartyAUSCC,
"party_a_address": f.PartyAAddress,
"party_a_rep": f.PartyARep,
}
for name, id := range required {
if id == "" {
return fmt.Errorf("法大大 template_fields.%s 不能为空", name)
}
}
return nil
}
// ResolvePartyAActorID 甲方参与方标识(优先配置,默认与签署模板角色名一致)
func (c *Config) ResolvePartyAActorID() string {
if c != nil && c.PartyAActorID != "" {
return c.PartyAActorID
}
return ActorIDPartyA
}
// ResolvePartyBActorID 乙方参与方标识(优先配置,默认与签署模板角色名一致)
func (c *Config) ResolvePartyBActorID() string {
if c != nil && c.PartyBActorID != "" {
return c.PartyBActorID
}
return ActorIDPartyB
}
const (
// 接口成功码
successCode = "100000"
// 个人证件类型:身份证(文档 userIdentType
UserIdentTypeIDCard = "id_card"
// 企业认证方式:法人认证(文档 corpIdentMethod
CorpIdentMethodLegalRep = "legalRep"
// 经办人认证方式:手机号(文档 oprIdentMethod
OprIdentMethodMobile = "mobile"
)

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package fadada
import (
"fmt"
"net/url"
"strings"
)
// 默认授权范围:认证信息 + 后续签署所需能力
var defaultAuthScopes = []string{
"ident_info",
"seal_info",
"signtask_info",
"signtask_init",
"signtask_file",
"organization",
"template",
}
// GenerateEnterpriseAuth 获取企业认证/授权链接POST /corp/get-auth-url
// 文档见 1.mdcorpIdentType 置空由用户在页面选择组织类型。
func (c *Client) GenerateEnterpriseAuth(req *EnterpriseAuthRequest) (*EnterpriseAuthResult, error) {
if err := validateEnterpriseAuthRequest(req); err != nil {
return nil, err
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
clientCorpID := strings.TrimSpace(req.ClientCorpID)
if clientCorpID == "" {
clientCorpID = strings.TrimSpace(req.UnifiedSocialCode)
}
clientUserID := strings.TrimSpace(req.ClientUserID)
if clientUserID == "" {
clientUserID = strings.TrimSpace(req.TransactorID)
}
redirectURL := ""
if c.config.Auth != nil {
redirectURL = c.config.Auth.RedirectURL
}
apiReq := &getCorpAuthURLReq{
ClientCorpID: clientCorpID,
ClientUserID: clientUserID,
AccountName: strings.TrimSpace(req.TransactorMobile),
CorpIdentInfo: &corpIdentInfo{
CorpName: strings.TrimSpace(req.CompanyName),
// 按官方文档:不传默认为企业;置空让用户在页面选择组织类型
// CorpIdentType: "",
CorpIdentNo: strings.TrimSpace(req.UnifiedSocialCode),
LegalRepName: strings.TrimSpace(req.LegalPersonName),
CorpIdentMethod: []string{CorpIdentMethodLegalRep},
},
// 文档合法值仅 corpName/corpIdentType/corpIdentNo不传表示都可修改
// CorpNonEditableInfo: ,
OprIdentInfo: &oprIdentInfo{
UserName: strings.TrimSpace(req.TransactorName),
UserIdentType: UserIdentTypeIDCard,
UserIdentNo: strings.TrimSpace(req.TransactorID),
Mobile: strings.TrimSpace(req.TransactorMobile),
OprIdentMethod: []string{OprIdentMethodMobile},
},
OprNonEditableInfo: nil,
AuthScopes: append([]string{}, defaultAuthScopes...),
RedirectURL: encodeRedirectURL(redirectURL),
}
res, err := c.http.PostBiz(pathGetCorpAuthURL, accessToken, apiReq)
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("获取法大大企业认证链接失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data getCorpAuthURLData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析企业认证链接响应失败: %w", err)
}
if data.AuthURL == "" {
return nil, fmt.Errorf("获取法大大企业认证链接失败: authUrl 为空 requestId=%s", res.RequestID)
}
return &EnterpriseAuthResult{
AuthFlowID: clientCorpID,
AuthURL: data.AuthURL,
AuthShortURL: data.AuthURL,
}, nil
}
// QueryOrgVerified 查询企业是否已在法大大完成实名POST /corp/get-identified-status
func (c *Client) QueryOrgVerified(req *QueryOrgIdentityRequest) (bool, error) {
result, err := c.QueryOrgIdentity(req)
if err != nil {
return false, err
}
return result.Identified, nil
}
// QueryOrgIdentity 查询企业实名认证状态详情
func (c *Client) QueryOrgIdentity(req *QueryOrgIdentityRequest) (*QueryOrgIdentityResult, error) {
if req == nil {
return nil, fmt.Errorf("查询请求不能为空")
}
corpName := strings.TrimSpace(req.CorpName)
corpIdentNo := strings.TrimSpace(req.CorpIdentNo)
if corpName == "" && corpIdentNo == "" {
return nil, fmt.Errorf("企业名称与统一社会信用代码不能同时为空")
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
res, err := c.http.PostBiz(pathGetCorpIdentifiedStatus, accessToken, &getIdentifiedStatusReq{
CorpName: corpName,
CorpIdentNo: corpIdentNo,
})
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("查询法大大企业实名状态失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data getIdentifiedStatusData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析企业实名状态失败: %w", err)
}
return &QueryOrgIdentityResult{
Identified: data.IdentStatus,
CorpName: corpName,
CorpIdentNo: corpIdentNo,
}, nil
}
func validateEnterpriseAuthRequest(req *EnterpriseAuthRequest) error {
if req == nil {
return fmt.Errorf("认证请求不能为空")
}
if strings.TrimSpace(req.CompanyName) == "" {
return fmt.Errorf("企业名称不能为空")
}
if strings.TrimSpace(req.UnifiedSocialCode) == "" {
return fmt.Errorf("统一社会信用代码不能为空")
}
if strings.TrimSpace(req.LegalPersonName) == "" {
return fmt.Errorf("法人姓名不能为空")
}
if strings.TrimSpace(req.TransactorName) == "" {
return fmt.Errorf("经办人姓名不能为空")
}
if strings.TrimSpace(req.TransactorMobile) == "" {
return fmt.Errorf("经办人手机号不能为空")
}
if strings.TrimSpace(req.TransactorID) == "" {
return fmt.Errorf("经办人身份证号不能为空")
}
return nil
}
// encodeRedirectURL 按官方文档对 redirectUrl 做 URL encode已编码则原样返回
func encodeRedirectURL(raw string) string {
raw = strings.TrimSpace(raw)
if raw == "" {
return ""
}
if strings.Contains(raw, "%") {
if decoded, err := url.QueryUnescape(raw); err == nil && decoded != raw {
return raw
}
}
return url.QueryEscape(raw)
}

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@@ -0,0 +1,35 @@
package fadada
import "testing"
func TestValidateEnterpriseAuthRequest(t *testing.T) {
err := validateEnterpriseAuthRequest(&EnterpriseAuthRequest{
CompanyName: "测试企业有限公司",
UnifiedSocialCode: "91110000MA01234567",
LegalPersonName: "张三",
TransactorName: "张三",
TransactorMobile: "13800138000",
TransactorID: "110101199001011234",
})
if err != nil {
t.Fatalf("expected nil, got %v", err)
}
if err := validateEnterpriseAuthRequest(nil); err == nil {
t.Fatal("expected error for nil request")
}
if err := validateEnterpriseAuthRequest(&EnterpriseAuthRequest{}); err == nil {
t.Fatal("expected error for empty request")
}
}
func TestEncodeRedirectURL(t *testing.T) {
raw := "http://localhost:5173/profile/certification"
encoded := encodeRedirectURL(raw)
if encoded == "" || encoded == raw {
t.Fatalf("expected url-encoded redirect, got %q", encoded)
}
if encodeRedirectURL(encoded) != encoded {
t.Fatalf("already-encoded url should stay unchanged")
}
}

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package fadada
import (
"fmt"
"os"
"path/filepath"
"strings"
"sync"
"time"
)
// debug 日志:将每次法大大 OpenAPI 调用的 cURL 命令 + 响应落盘到 logs/fadada/<date>/fadada.log
// 用于排查 /sign-task/create-with-template 等接口的实际请求/响应(如免验证签不生效)。
// 敏感字段AppSecret不会出现在日志里AccessToken / Sign 会以明文写入以便复现。
const (
debugLogDir = "logs/fadada"
debugLogFile = "fadada.log"
debugMaxBytes = 10 * 1024 * 1024 // 单文件 10MB 后截断覆盖(轮转保持简单)
)
var (
debugLogMu sync.Mutex
debugLogFilePtr *os.File
debugLogDate string
debugLogSize int64
)
// writeDebugLog 把一次 API 调用的请求与响应追加到当日日志文件。
// 调用方需保证 headers / body / respBody 不包含 AppSecret法大大签名里只有时间戳参与secret 本身不出现在 header/body 中)。
func writeDebugLog(method, fullURL string, headers map[string]string, body string, httpStatus int, respBody string, requestID string) {
if strings.TrimSpace(fullURL) == "" {
return
}
entry := buildDebugEntry(method, fullURL, headers, body, httpStatus, respBody, requestID)
debugLogMu.Lock()
defer debugLogMu.Unlock()
if err := openDebugLogFileLocked(); err != nil {
// 日志失败不影响业务
return
}
n, _ := debugLogFilePtr.WriteString(entry)
debugLogSize += int64(n)
if debugLogSize >= debugMaxBytes {
_ = debugLogFilePtr.Close()
debugLogFilePtr = nil
debugLogSize = 0
}
}
func openDebugLogFileLocked() error {
today := time.Now().Format("2006-01-02")
if debugLogFilePtr != nil && debugLogDate == today {
return nil
}
if debugLogFilePtr != nil {
_ = debugLogFilePtr.Close()
}
dateDir := filepath.Join(debugLogDir, today)
if err := os.MkdirAll(dateDir, 0o755); err != nil {
return err
}
full := filepath.Join(dateDir, debugLogFile)
f, err := os.OpenFile(full, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644)
if err != nil {
return err
}
if info, err := f.Stat(); err == nil {
debugLogSize = info.Size()
} else {
debugLogSize = 0
}
debugLogFilePtr = f
debugLogDate = today
return nil
}
// buildDebugEntry 生成一段可读的日志条目cURL 命令 + 响应)。
func buildDebugEntry(method, fullURL string, headers map[string]string, body string, httpStatus int, respBody string, requestID string) string {
now := time.Now().Format("2006-01-02 15:04:05.000")
var sb strings.Builder
sb.WriteString("\n==================== ")
sb.WriteString(now)
sb.WriteString(" ====================\n")
// ---- cURL ----
sb.WriteString("curl -sS -X ")
sb.WriteString(strings.ToUpper(strings.TrimSpace(method)))
sb.WriteString(" '")
sb.WriteString(fullURL)
sb.WriteString("'")
for _, k := range sortedHeaderKeys(headers) {
sb.WriteString(" \\\n -H '")
sb.WriteString(k)
sb.WriteString(": ")
sb.WriteString(headers[k])
sb.WriteString("'")
}
if strings.TrimSpace(body) != "" {
sb.WriteString(" \\\n --data-urlencode 'bizContent=")
sb.WriteString(body)
sb.WriteString("'")
}
sb.WriteString("\n")
// ---- RESPONSE ----
sb.WriteString("--- RESPONSE ---\n")
sb.WriteString("HTTP ")
sb.WriteString(fmt.Sprintf("%d", httpStatus))
if requestID != "" {
sb.WriteString(" requestId=")
sb.WriteString(requestID)
}
sb.WriteString("\n")
sb.WriteString("body: ")
sb.WriteString(respBody)
sb.WriteString("\n")
return sb.String()
}
func sortedHeaderKeys(headers map[string]string) []string {
keys := make([]string, 0, len(headers))
for k := range headers {
keys = append(keys, k)
}
// 简单冒泡,依赖少
for i := 0; i < len(keys); i++ {
for j := i + 1; j < len(keys); j++ {
if keys[i] > keys[j] {
keys[i], keys[j] = keys[j], keys[i]
}
}
}
return keys
}

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@@ -0,0 +1,187 @@
package fadada
import (
"bytes"
"crypto/rand"
"encoding/hex"
"encoding/json"
"fmt"
"io"
"net/http"
"net/url"
"strconv"
"strings"
"time"
)
// HTTPClient 法大大 OpenAPI HTTP 客户端(不依赖官方 SDK
type HTTPClient struct {
config *Config
client *http.Client
}
func NewHTTPClient(config *Config) *HTTPClient {
return &HTTPClient{
config: config,
client: &http.Client{Timeout: 30 * time.Second},
}
}
// apiResponse 通用响应外壳
type apiResponse struct {
Code string `json:"code"`
Msg string `json:"msg"`
Data json.RawMessage `json:"data"`
RequestID string `json:"requestId,omitempty"`
}
// PostBiz 发送业务 APIPOST form bizContent=<JSON>,带 AccessToken 签名
func (h *HTTPClient) PostBiz(path, accessToken string, biz any) (*apiResponse, error) {
bizJSON, err := marshalBizContent(biz)
if err != nil {
return nil, err
}
headers := h.buildBizHeaders(accessToken, bizJSON)
return h.doPost(path, headers, bizJSON)
}
// PostToken 获取 accessToken无 AccessToken带 Grant-Type
func (h *HTTPClient) PostToken(path string) (*apiResponse, error) {
headers := h.buildTokenHeaders()
return h.doPost(path, headers, "")
}
func (h *HTTPClient) doPost(path string, headers map[string]string, bizJSON string) (*apiResponse, error) {
fullURL := joinURL(h.config.ServerURL, path)
form := url.Values{}
form.Set("bizContent", bizJSON)
body := form.Encode()
req, err := http.NewRequest(http.MethodPost, fullURL, strings.NewReader(body))
if err != nil {
return nil, fmt.Errorf("创建法大大请求失败: %w", err)
}
req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
for k, v := range headers {
req.Header.Set(k, v)
}
resp, err := h.client.Do(req)
if err != nil {
// 网络错误也记录一次,便于排查连接问题
writeDebugLog(http.MethodPost, fullURL, headers, bizJSON, -1, fmt.Sprintf("HTTP ERROR: %v", err), "")
return nil, fmt.Errorf("调用法大大接口失败 %s: %w", path, err)
}
defer resp.Body.Close()
respBody, err := io.ReadAll(resp.Body)
if err != nil {
writeDebugLog(http.MethodPost, fullURL, headers, bizJSON, resp.StatusCode, fmt.Sprintf("READ BODY ERROR: %v", err), "")
return nil, fmt.Errorf("读取法大大响应失败 %s: %w", path, err)
}
requestID := ""
if vals := resp.Header.Values("X-FASC-Request-Id"); len(vals) > 0 {
requestID = vals[0]
}
// 落盘 cURL + 响应(含 X-FASC-* 头与 bizContent便于排查免验证签等问题
writeDebugLog(http.MethodPost, fullURL, headers, bizJSON, resp.StatusCode, string(respBody), requestID)
var out apiResponse
if err := json.Unmarshal(respBody, &out); err != nil {
return nil, fmt.Errorf("解析法大大响应失败 %s: %w body=%s", path, err, truncate(string(respBody), 512))
}
if out.RequestID == "" {
out.RequestID = requestID
}
return &out, nil
}
func (h *HTTPClient) buildTokenHeaders() map[string]string {
timestamp := strconv.FormatInt(time.Now().UnixMilli(), 10)
nonce := randomNonce()
headMap := map[string]string{
"X-FASC-App-Id": h.config.AppID,
"X-FASC-Sign-Type": signTypeHMACSHA256,
"X-FASC-Timestamp": timestamp,
"X-FASC-Nonce": nonce,
"X-FASC-Grant-Type": "client_credential",
"X-FASC-Api-SubVersion": apiSubVersion,
}
headMap["X-FASC-Sign"] = SignByMap(headMap, timestamp, h.config.AppSecret)
return headMap
}
func (h *HTTPClient) buildBizHeaders(accessToken, bizJSON string) map[string]string {
timestamp := strconv.FormatInt(time.Now().UnixMilli(), 10)
nonce := randomNonce()
headMap := map[string]string{
"X-FASC-App-Id": h.config.AppID,
"X-FASC-Sign-Type": signTypeHMACSHA256,
"X-FASC-Timestamp": timestamp,
"X-FASC-Nonce": nonce,
"X-FASC-AccessToken": accessToken,
"X-FASC-Api-SubVersion": apiSubVersion,
"bizContent": bizJSON,
}
sign := SignByMap(headMap, timestamp, h.config.AppSecret)
delete(headMap, "bizContent")
headMap["X-FASC-Sign"] = sign
return headMap
}
func marshalBizContent(biz any) (string, error) {
if biz == nil {
return "", nil
}
switch v := biz.(type) {
case string:
return v, nil
case []byte:
return string(v), nil
default:
b, err := json.Marshal(biz)
if err != nil {
return "", fmt.Errorf("序列化 bizContent 失败: %w", err)
}
// 紧凑 JSON避免多余空格影响签名
var buf bytes.Buffer
if err := json.Compact(&buf, b); err == nil {
return buf.String(), nil
}
return string(b), nil
}
}
func joinURL(base, path string) string {
base = strings.TrimRight(base, "/")
if !strings.HasPrefix(path, "/") {
path = "/" + path
}
return base + path
}
func randomNonce() string {
b := make([]byte, 16)
if _, err := rand.Read(b); err != nil {
return strconv.FormatInt(time.Now().UnixNano(), 16)
}
return hex.EncodeToString(b)
}
func truncate(s string, n int) string {
if len(s) <= n {
return s
}
return s[:n] + "..."
}
// decodeData 将 apiResponse.Data 反序列化到目标结构
func decodeData(raw json.RawMessage, dest any) error {
if len(raw) == 0 || string(raw) == "null" {
return nil
}
return json.Unmarshal(raw, dest)
}

View File

@@ -0,0 +1,57 @@
package fadada
import (
"crypto/hmac"
"crypto/sha256"
"encoding/hex"
"sort"
"strings"
)
const (
signTypeHMACSHA256 = "HMAC-SHA256"
apiSubVersion = "5.1"
)
// SignByMap 法大大 HMAC-SHA256 签名(与官方 SDK 算法一致)
// 1) 对 map key 字典序排序,拼接 key=value&...(跳过空值)
// 2) signText = hex(SHA256(signContent))
// 3) signKey = HMAC-SHA256(timestamp, appSecret) 原始字节
// 4) signature = lowercase(hex(HMAC-SHA256(signText, signKey)))
func SignByMap(headMap map[string]string, timestamp, appSecret string) string {
signContent := sortMapForSign(headMap)
signText := sha256Hex(signContent)
secretSigning := hmacSHA256Bytes(timestamp, []byte(appSecret))
return strings.ToLower(hmacSHA256Hex(signText, secretSigning))
}
func sortMapForSign(headMap map[string]string) string {
keys := make([]string, 0, len(headMap))
for k := range headMap {
keys = append(keys, k)
}
sort.Strings(keys)
parts := make([]string, 0, len(keys))
for _, k := range keys {
if v := headMap[k]; v != "" {
parts = append(parts, k+"="+v)
}
}
return strings.Join(parts, "&")
}
func sha256Hex(src string) string {
sum := sha256.Sum256([]byte(src))
return hex.EncodeToString(sum[:])
}
func hmacSHA256Bytes(data string, secret []byte) []byte {
h := hmac.New(sha256.New, secret)
h.Write([]byte(data))
return h.Sum(nil)
}
func hmacSHA256Hex(data string, secret []byte) string {
return hex.EncodeToString(hmacSHA256Bytes(data, secret))
}

View File

@@ -0,0 +1,417 @@
package fadada
import (
"fmt"
"strconv"
"strings"
"time"
)
// CreateSignFlow 基于签署任务模板创建签署任务POST /sign-task/create-with-template
// - autoStart无填单时创建即自动提交有填单时创建后填控件再 Start完成自动提交
// - 签署顺序:甲方 orderNo=1 先签(短信/验证);乙方 orderNo=2 后签,由系统按模板免验证签自动盖章
// - 乙方参与方开启免验证签requestVerifyFree + freeSignType=template
func (c *Client) CreateSignFlow(req *CreateSignFlowRequest) (*CreateSignFlowResult, error) {
if err := validateCreateSignFlowRequest(req); err != nil {
return nil, err
}
if c.config.OpenCorpID == "" {
return nil, fmt.Errorf("法大大 open_corp_id 不能为空")
}
if c.config.TemplateID == "" {
return nil, fmt.Errorf("法大大 template_id 不能为空")
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
needFill := req.Fill != nil
// 有填单须先填再提交,创建时不能 autoStart无填单则创建时自动提交
autoStart := !needFill
subject := strings.TrimSpace(req.Subject)
if subject == "" {
if c.config.Contract != nil && c.config.Contract.Name != "" {
subject = c.config.Contract.Name
} else {
subject = "海宇数据-合作协议"
}
if req.PartyAName != "" {
subject = fmt.Sprintf("%s-%s", subject, req.PartyAName)
}
}
actors := c.buildSignActors(req)
expiresTime := c.buildExpiresTime()
res, err := c.http.PostBiz(pathCreateSignTaskTemplate, accessToken, &createSignTaskWithTemplateReq{
SignTaskSubject: subject,
Initiator: &openID{IDType: "corp", OpenID: c.config.OpenCorpID},
SignTemplateID: c.config.TemplateID,
AutoStart: autoStart,
AutoFillFinalize: true,
AutoFinish: true,
SignInOrder: true,
ExpiresTime: expiresTime,
FreeSignType: freeSignTypeTemplate, // 按模板免验证签,无需 businessId
TransReferenceID: strings.TrimSpace(req.TransReferenceID),
Actors: actors,
})
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("基于模板创建法大大签署任务失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data createSignTaskData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析创建签署任务响应失败: %w", err)
}
signTaskID := data.SignTaskID
if signTaskID == "" {
return nil, fmt.Errorf("创建法大大签署任务失败: signTaskId 为空")
}
// 填单后自动提交:乙方免验证签自动盖章,甲方再取签署链接
if needFill {
fillReq := *req.Fill
if fillReq.CompanyName == "" {
fillReq.CompanyName = req.PartyAName
}
if fillReq.UnifiedSocialCode == "" {
fillReq.UnifiedSocialCode = req.PartyAUSCC
}
if fillReq.AuthorizedRepName == "" {
fillReq.AuthorizedRepName = req.TransactorName
}
if err := c.FillSignTaskFields(signTaskID, &fillReq); err != nil {
return nil, err
}
if err := c.StartSignTask(signTaskID); err != nil {
return nil, err
}
}
return &CreateSignFlowResult{SignTaskID: signTaskID}, nil
}
// StartSignTask 提交签署任务POST /sign-task/start
func (c *Client) StartSignTask(signTaskID string) error {
signTaskID = strings.TrimSpace(signTaskID)
if signTaskID == "" {
return fmt.Errorf("signTaskId 不能为空")
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return err
}
res, err := c.http.PostBiz(pathStartSignTask, accessToken, &startSignTaskReq{SignTaskID: signTaskID})
if err != nil {
return err
}
if res.Code != successCode {
return fmt.Errorf("提交法大大签署任务失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
return nil
}
// GetSignURL 获取参与方签署链接POST /sign-task/actor/get-url
func (c *Client) GetSignURL(signTaskID, actorID string) (*SignURLResult, error) {
signTaskID = strings.TrimSpace(signTaskID)
if signTaskID == "" {
return nil, fmt.Errorf("signTaskId 不能为空")
}
if actorID == "" {
actorID = c.config.ResolvePartyAActorID()
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
redirectURL := ""
if c.config.Sign != nil {
redirectURL = encodeRedirectURL(c.config.Sign.RedirectURL)
}
res, err := c.http.PostBiz(pathGetSignTaskActorURL, accessToken, &getActorURLReq{
SignTaskID: signTaskID,
ActorID: actorID,
RedirectURL: redirectURL,
})
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("获取法大大签署链接失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data getActorURLData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析签署链接响应失败: %w", err)
}
if data.ActorSignTaskURL == "" && data.ActorSignTaskEmbedURL == "" {
return nil, fmt.Errorf("获取法大大签署链接失败: url 为空 requestId=%s", res.RequestID)
}
return &SignURLResult{
SignURL: data.ActorSignTaskURL,
EmbedURL: data.ActorSignTaskEmbedURL,
ActorID: actorID,
SignTaskID: signTaskID,
}, nil
}
// GetSignTaskPreviewURL 获取签署任务预览链接POST /sign-task/get-preview-url约 2 小时/单次)
func (c *Client) GetSignTaskPreviewURL(signTaskID string) (*SignTaskPreviewURLResult, error) {
signTaskID = strings.TrimSpace(signTaskID)
if signTaskID == "" {
return nil, fmt.Errorf("signTaskId 不能为空")
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
redirectURL := ""
if c.config.Sign != nil {
redirectURL = encodeRedirectURL(c.config.Sign.RedirectURL)
}
res, err := c.http.PostBiz(pathGetSignTaskPreviewURL, accessToken, &getSignTaskPreviewURLReq{
SignTaskID: signTaskID,
RedirectURL: redirectURL,
})
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("获取法大大预览链接失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data getSignTaskPreviewURLData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析预览链接响应失败: %w", err)
}
previewURL := strings.TrimSpace(data.SignTaskPreviewURL)
if previewURL == "" {
return nil, fmt.Errorf("获取法大大预览链接失败: signTaskPreviewUrl 为空 requestId=%s", res.RequestID)
}
return &SignTaskPreviewURLResult{
SignTaskID: signTaskID,
PreviewURL: previewURL,
}, nil
}
// QuerySignStatus 查询签署任务状态POST /sign-task/app/get-detail
func (c *Client) QuerySignStatus(signTaskID string) (*SignStatusResult, error) {
signTaskID = strings.TrimSpace(signTaskID)
if signTaskID == "" {
return nil, fmt.Errorf("signTaskId 不能为空")
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
res, err := c.http.PostBiz(pathGetSignTaskDetail, accessToken, &getSignTaskDetailReq{
SignTaskID: signTaskID,
})
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("查询法大大签署状态失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data getSignTaskDetailData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析签署状态响应失败: %w", err)
}
status := data.SignTaskStatus
return &SignStatusResult{
SignTaskID: signTaskID,
SignTaskStatus: status,
Completed: IsSignTaskCompletedStatus(status),
Terminated: status == SignTaskStatusTerminated,
FinishTime: data.FinishTime,
TerminationNote: data.TerminationNote,
RevokeReason: data.RevokeReason,
}, nil
}
// IsSignTaskCompleted 签署任务是否已完成(可下载)
func (c *Client) IsSignTaskCompleted(signTaskID string) (bool, error) {
status, err := c.QuerySignStatus(signTaskID)
if err != nil {
return false, err
}
return status.Completed, nil
}
// IsSignTaskCompletedStatus 状态是否视为签署完成
func IsSignTaskCompletedStatus(status string) bool {
switch status {
case SignTaskStatusFinished, SignTaskStatusSignCompleted:
return true
default:
return false
}
}
// DownloadSignedFiles 获取签署完成文件下载地址POST /sign-task/owner/get-download-url
func (c *Client) DownloadSignedFiles(signTaskID string) (*DownloadSignedFilesResult, error) {
signTaskID = strings.TrimSpace(signTaskID)
if signTaskID == "" {
return nil, fmt.Errorf("signTaskId 不能为空")
}
if c.config.OpenCorpID == "" {
return nil, fmt.Errorf("法大大 open_corp_id 不能为空")
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
res, err := c.http.PostBiz(pathGetOwnerSignTaskDownload, accessToken, &getOwnerDownloadURLReq{
OwnerID: &openID{IDType: "corp", OpenID: c.config.OpenCorpID},
SignTaskID: signTaskID,
FileType: "doc",
})
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("获取法大大已签文件下载地址失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data getOwnerDownloadURLData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析下载地址响应失败: %w", err)
}
if data.DownloadURL == "" {
return nil, fmt.Errorf("获取法大大已签文件下载地址失败: downloadUrl 为空 requestId=%s", res.RequestID)
}
return &DownloadSignedFilesResult{
Files: []*SignedFile{{
DownloadURL: data.DownloadURL,
DownloadID: data.DownloadID,
}},
}, nil
}
// GenerateContractSigning 一站式:创建签署任务(可带填单)→ 获取甲方签署链接
func (c *Client) GenerateContractSigning(req *ContractSigningRequest) (*ContractSigningResult, error) {
if req == nil {
return nil, fmt.Errorf("签署请求不能为空")
}
createReq := req.CreateSignFlowRequest
createReq.Fill = &req.Fill
if createReq.PartyAName == "" {
createReq.PartyAName = req.Fill.CompanyName
}
if createReq.PartyAUSCC == "" {
createReq.PartyAUSCC = req.Fill.UnifiedSocialCode
}
if createReq.TransactorName == "" {
createReq.TransactorName = req.Fill.AuthorizedRepName
}
createRes, err := c.CreateSignFlow(&createReq)
if err != nil {
return nil, err
}
urlRes, err := c.GetSignURL(createRes.SignTaskID, c.config.ResolvePartyAActorID())
if err != nil {
return nil, err
}
return &ContractSigningResult{
SignTaskID: createRes.SignTaskID,
SignURL: firstNonEmpty(urlRes.EmbedURL, urlRes.SignURL),
EmbedURL: urlRes.EmbedURL,
}, nil
}
const freeSignTypeTemplate = "template" // 根据模板免验证签(无需 businessId
func (c *Client) buildSignActors(req *CreateSignFlowRequest) []signTaskActor {
partyAActorID := c.config.ResolvePartyAActorID()
partyBActorID := c.config.ResolvePartyBActorID()
// 甲方先签 OrderNo=1用户预览后「立即签署」进 iframe完成短信验证 / 实名确认
partyA := signTaskActor{
Actor: &actor{
ActorType: "corp",
ActorID: partyAActorID,
ActorName: firstNonEmpty(strings.TrimSpace(req.PartyAName), partyAActorID),
Permissions: []string{"sign"},
ActorOpenID: strings.TrimSpace(req.PartyAOpenCorpID),
IdentNameForMatch: strings.TrimSpace(req.PartyAName),
CertNoForMatch: strings.TrimSpace(req.PartyAUSCC),
AccountName: strings.TrimSpace(req.TransactorMobile),
ClientUserID: firstNonEmpty(strings.TrimSpace(req.TransactorID), strings.TrimSpace(req.TransactorMobile)),
},
SignConfigInfo: &signConfigInfo{
OrderNo: 1,
JoinByLink: true,
RequestVerifyFree: false,
FreeLogin: false,
BlockHere: false,
},
}
// 乙方(平台)后签 OrderNo=2甲方签完后由系统按模板免验证签自动盖章
partyB := signTaskActor{
Actor: &actor{
ActorType: "corp",
ActorID: partyBActorID,
ActorName: partyBActorID,
Permissions: []string{"sign"},
ActorOpenID: c.config.OpenCorpID,
},
SignConfigInfo: &signConfigInfo{
OrderNo: 2,
JoinByLink: true, // 链接加入false 时要求 actorCorpMembers 非空
RequestVerifyFree: true,
FreeSignType: freeSignTypeTemplate,
FreeLogin: true,
BlockHere: false,
},
}
// 数组顺序与 orderNo 无强绑定(法大大按 orderNo 决定先后),保持 [甲方, 乙方] 便于阅读
return []signTaskActor{partyA, partyB}
}
func (c *Client) buildExpiresTime() string {
days := 7
if c.config.Contract != nil && c.config.Contract.ExpireDays > 0 {
days = c.config.Contract.ExpireDays
}
return strconv.FormatInt(time.Now().AddDate(0, 0, days).UnixMilli(), 10)
}
func validateCreateSignFlowRequest(req *CreateSignFlowRequest) error {
if req == nil {
return fmt.Errorf("创建签署请求不能为空")
}
if strings.TrimSpace(req.PartyAName) == "" && (req.Fill == nil || strings.TrimSpace(req.Fill.CompanyName) == "") {
return fmt.Errorf("甲方企业名不能为空")
}
return nil
}
func firstNonEmpty(values ...string) string {
for _, v := range values {
if strings.TrimSpace(v) != "" {
return v
}
}
return ""
}

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package fadada
import "testing"
func TestIsSignTaskCompletedStatus(t *testing.T) {
cases := map[string]bool{
SignTaskStatusFinished: true,
SignTaskStatusSignCompleted: true,
SignTaskStatusSignProgress: false,
SignTaskStatusTerminated: false,
"": false,
}
for status, want := range cases {
if got := IsSignTaskCompletedStatus(status); got != want {
t.Fatalf("status %q: got %v want %v", status, got, want)
}
}
}
func TestBuildSignActors(t *testing.T) {
c := NewClient(&Config{
AppID: "app",
AppSecret: "secret",
ServerURL: "https://uat-api.fadada.com/api/v5/",
OpenCorpID: "haiyu-open-corp",
TemplateID: "tpl",
})
actors := c.buildSignActors(&CreateSignFlowRequest{
PartyAOpenCorpID: "client-open-corp",
PartyAName: "测试企业",
PartyAUSCC: "91110000MA01234567",
TransactorMobile: "13800138000",
TransactorID: "110101199001011234",
})
if len(actors) != 2 {
t.Fatalf("actors len=%d", len(actors))
}
// 甲方先签 orderNo=1需手动验证乙方后签 orderNo=2模板免验证签自动盖章
if actors[0].Actor.ActorID != ActorIDPartyA || actors[0].SignConfigInfo.RequestVerifyFree || actors[0].SignConfigInfo.OrderNo != 1 {
t.Fatalf("party A (first/manual-sign)6 unexpected: %+v", actors[0])
}
if actors[1].Actor.ActorID != ActorIDPartyB || !actors[1].SignConfigInfo.RequestVerifyFree || actors[1].SignConfigInfo.OrderNo != 2 {
t.Fatalf("party B (second/free-sign) unexpected: %+v", actors[1])
}
if actors[1].SignConfigInfo.FreeSignType != freeSignTypeTemplate {
t.Fatalf("party B freeSignType=%q, want %s", actors[1].SignConfigInfo.FreeSignType, freeSignTypeTemplate)
}
if actors[0].Actor.ActorID == "party_a" || actors[1].Actor.ActorID == "party_b" {
t.Fatal("actorId must match sign-template role names, not party_a/party_b")
}
if actors[1].Actor.ActorOpenID != "haiyu-open-corp" {
t.Fatalf("party B openCorpId=%s", actors[1].Actor.ActorOpenID)
}
}
func TestParseCallback(t *testing.T) {
c := NewClient(&Config{AppID: "app", AppSecret: "secret", ServerURL: "https://x/"})
biz := `{"signTaskId":"st-1","signTaskStatus":"task_finished","eventTime":"2026-07-14T10:00:00+08:00"}`
ev, err := c.ParseCallback(map[string]string{"X-FASC-Event": "sign-task-finished"}, biz)
if err != nil {
t.Fatal(err)
}
if ev.SignTaskID != "st-1" || ev.SignTaskStatus != SignTaskStatusFinished {
t.Fatalf("unexpected event: %+v", ev)
}
if !ev.IsSignCompletedCallback() {
t.Fatal("expected completed callback")
}
}

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package fadada
import (
"fmt"
"strings"
"time"
)
// FillTemplate 填写文档模板并生成合同文件POST /doc-template/fill-values
func (c *Client) FillTemplate(req *ContractFillRequest) (*ContractFileResult, error) {
if err := c.config.ValidateTemplateFields(); err != nil {
return nil, err
}
if err := validateContractFillRequest(req); err != nil {
return nil, err
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return nil, err
}
signDate := strings.TrimSpace(req.SignDate)
if signDate == "" {
signDate = time.Now().Format("2006年01月02日")
}
fileName := strings.TrimSpace(req.FileName)
if fileName == "" {
if c.config.Contract != nil && c.config.Contract.Name != "" {
fileName = c.config.Contract.Name
} else {
fileName = "海宇数据-合作协议"
}
fileName = fmt.Sprintf("%s-%s", fileName, strings.TrimSpace(req.AgreementNo))
}
fieldValues := c.BuildTemplateFieldValues(&ContractFillRequest{
AgreementNo: req.AgreementNo,
CompanyName: req.CompanyName,
UnifiedSocialCode: req.UnifiedSocialCode,
EnterpriseAddress: req.EnterpriseAddress,
AuthorizedRepName: req.AuthorizedRepName,
SignDate: signDate,
})
docFieldValues := make([]docFieldValue, 0, len(fieldValues))
for _, fv := range fieldValues {
docFieldValues = append(docFieldValues, docFieldValue{
FieldID: fv.FieldID,
FieldValue: fv.FieldValue,
})
}
res, err := c.http.PostBiz(pathFillDocTemplateValues, accessToken, &fillDocTemplateReq{
OwnerID: &openID{IDType: "corp", OpenID: c.config.OpenCorpID},
DocTemplateID: c.config.TemplateID,
FileName: fileName,
DocFieldValues: docFieldValues,
})
if err != nil {
return nil, err
}
if res.Code != successCode {
return nil, fmt.Errorf("法大大填写模板失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data fillDocTemplateData
if err := decodeData(res.Data, &data); err != nil {
return nil, fmt.Errorf("解析模板填单响应失败: %w", err)
}
if data.FileID == "" {
return nil, fmt.Errorf("法大大填写模板失败: fileId 为空 requestId=%s", res.RequestID)
}
return &ContractFileResult{
FileID: data.FileID,
FileDownloadURL: data.FileDownloadURL,
}, nil
}
// FillSignTaskFields 向已创建的签署任务填写控件POST /sign-task/field/fill-values
func (c *Client) FillSignTaskFields(signTaskID string, req *ContractFillRequest) error {
if strings.TrimSpace(signTaskID) == "" {
return fmt.Errorf("signTaskId 不能为空")
}
if err := c.config.ValidateTemplateFields(); err != nil {
return err
}
if err := validateContractFillRequest(req); err != nil {
return err
}
accessToken, err := c.ensureAccessToken()
if err != nil {
return err
}
docID, err := c.resolveSignTaskDocID(signTaskID, accessToken)
if err != nil {
return err
}
signDate := strings.TrimSpace(req.SignDate)
if signDate == "" {
signDate = time.Now().Format("2006年01月02日")
}
fieldValues := c.BuildTemplateFieldValues(&ContractFillRequest{
AgreementNo: req.AgreementNo,
CompanyName: req.CompanyName,
UnifiedSocialCode: req.UnifiedSocialCode,
EnterpriseAddress: req.EnterpriseAddress,
AuthorizedRepName: req.AuthorizedRepName,
SignDate: signDate,
})
docFieldValues := make([]docFieldValue, 0, len(fieldValues))
for _, fv := range fieldValues {
docFieldValues = append(docFieldValues, docFieldValue{
DocID: docID,
FieldDocID: docID,
FieldID: fv.FieldID,
FieldValue: fv.FieldValue,
})
}
res, err := c.http.PostBiz(pathFillSignTaskFieldValues, accessToken, &fillSignTaskFieldsReq{
SignTaskID: signTaskID,
DocFieldValues: docFieldValues,
})
if err != nil {
return err
}
if res.Code != successCode {
return fmt.Errorf("法大大签署任务填单失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
return nil
}
// resolveSignTaskDocID 解析签署任务文档 docId填单必填
func (c *Client) resolveSignTaskDocID(signTaskID, accessToken string) (string, error) {
if c.config != nil {
if id := strings.TrimSpace(c.config.TemplateDocID); id != "" {
return id, nil
}
}
res, err := c.http.PostBiz(pathGetSignTaskDetail, accessToken, &getSignTaskDetailReq{
SignTaskID: signTaskID,
})
if err != nil {
return "", fmt.Errorf("查询签署任务文档失败: %w", err)
}
if res.Code != successCode {
return "", fmt.Errorf("查询签署任务文档失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data getSignTaskDetailData
if err := decodeData(res.Data, &data); err != nil {
return "", fmt.Errorf("解析签署任务文档失败: %w", err)
}
for _, d := range data.Docs {
if id := strings.TrimSpace(d.DocID); id != "" {
return id, nil
}
}
return "", fmt.Errorf("签署任务未返回 docId请在配置 fadada.template_doc_id 中填写模板文档ID")
}
// BuildTemplateFieldValues 将业务字段映射为法大大控件编码/值
func (c *Client) BuildTemplateFieldValues(req *ContractFillRequest) []TemplateFieldValue {
fields := c.config.TemplateFields
if fields == nil || req == nil {
return nil
}
signDate := strings.TrimSpace(req.SignDate)
agreementNo := strings.TrimSpace(req.AgreementNo)
companyName := strings.TrimSpace(req.CompanyName)
pairs := make([]struct {
fieldID string
value string
}, 0, len(fields.AgreementNo)+len(fields.PartyAName)+6)
for _, id := range fields.AgreementNo {
id = strings.TrimSpace(id)
if id == "" {
continue
}
pairs = append(pairs, struct {
fieldID string
value string
}{id, agreementNo})
}
for _, id := range fields.PartyAName {
id = strings.TrimSpace(id)
if id == "" {
continue
}
pairs = append(pairs, struct {
fieldID string
value string
}{id, companyName})
}
pairs = append(pairs,
struct {
fieldID string
value string
}{fields.ContractDate, signDate},
struct {
fieldID string
value string
}{fields.PartyAUSCC, strings.TrimSpace(req.UnifiedSocialCode)},
struct {
fieldID string
value string
}{fields.PartyAAddress, strings.TrimSpace(req.EnterpriseAddress)},
struct {
fieldID string
value string
}{fields.PartyARep, strings.TrimSpace(req.AuthorizedRepName)},
struct {
fieldID string
value string
}{fields.PartyASignDate, signDate},
struct {
fieldID string
value string
}{fields.PartyBSignDate, signDate},
)
out := make([]TemplateFieldValue, 0, len(pairs))
for _, p := range pairs {
if p.fieldID == "" {
continue
}
out = append(out, TemplateFieldValue{
FieldID: p.fieldID,
FieldValue: p.value,
})
}
return out
}
func validateContractFillRequest(req *ContractFillRequest) error {
if req == nil {
return fmt.Errorf("合同填单请求不能为空")
}
if strings.TrimSpace(req.AgreementNo) == "" {
return fmt.Errorf("协议编号不能为空")
}
if strings.TrimSpace(req.CompanyName) == "" {
return fmt.Errorf("甲方企业名不能为空")
}
if strings.TrimSpace(req.UnifiedSocialCode) == "" {
return fmt.Errorf("甲方统一信用代码不能为空")
}
if strings.TrimSpace(req.AuthorizedRepName) == "" {
return fmt.Errorf("甲方授权代表不能为空")
}
return nil
}

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package fadada
import (
"testing"
)
func TestBuildTemplateFieldValues(t *testing.T) {
client := NewClient(&Config{
AppID: "app",
AppSecret: "secret",
ServerURL: "https://uat-api.fadada.com/api/v5/",
OpenCorpID: "corp",
TemplateID: "1784013372537192273",
TemplateFields: &TemplateFields{
AgreementNo: []string{
"5199991781",
"0923405093",
},
ContractDate: "2039326319",
PartyAName: []string{
"6920634255",
"1847502631",
},
PartyAUSCC: "8702060291",
PartyAAddress: "4557539440",
PartyARep: "8627432823",
},
})
values := client.BuildTemplateFieldValues(&ContractFillRequest{
AgreementNo: "HYDATA-20260714-R000001",
CompanyName: "测试企业有限公司",
UnifiedSocialCode: "91110000MA01234567",
EnterpriseAddress: "海南省海口市",
AuthorizedRepName: "张三",
SignDate: "2026年07月14日",
})
want := map[string]string{
"5199991781": "HYDATA-20260714-R000001",
"0923405093": "HYDATA-20260714-R000001",
"6920634255": "测试企业有限公司",
"1847502631": "测试企业有限公司",
"2039326319": "2026年07月14日",
"8702060291": "91110000MA01234567",
"4557539440": "海南省海口市",
"8627432823": "张三",
}
if len(values) != len(want) {
t.Fatalf("field count = %d, want %d", len(values), len(want))
}
got := make(map[string]string, len(values))
for _, v := range values {
got[v.FieldID] = v.FieldValue
}
for id, val := range want {
if got[id] != val {
t.Fatalf("field %s = %q, want %q", id, got[id], val)
}
}
}
func TestResolveSignTaskDocIDFromConfig(t *testing.T) {
c := NewClient(&Config{
AppID: "app",
AppSecret: "secret",
ServerURL: "https://uat-api.fadada.com/api/v5/",
TemplateDocID: "19161471",
})
id, err := c.resolveSignTaskDocID("task-1", "")
if err != nil {
t.Fatal(err)
}
if id != "19161471" {
t.Fatalf("docId=%s", id)
}
}
func TestValidateTemplateFields(t *testing.T) {
cfg := &Config{
TemplateID: "1784013372537192273",
OpenCorpID: "corp",
TemplateFields: &TemplateFields{
AgreementNo: []string{"0923405093", "5199991781"},
ContractDate: "2039326319",
PartyAName: []string{"6920634255", "1847502631"},
PartyAUSCC: "8702060291",
PartyAAddress: "4557539440",
PartyARep: "8627432823",
},
}
if err := cfg.ValidateTemplateFields(); err != nil {
t.Fatalf("unexpected error: %v", err)
}
cfg.TemplateFields.PartyAName = nil
if err := cfg.ValidateTemplateFields(); err == nil {
t.Fatal("expected error when party_a_name empty")
}
cfg.TemplateFields.PartyAName = []string{"6920634255"}
cfg.TemplateFields.AgreementNo = nil
if err := cfg.ValidateTemplateFields(); err == nil {
t.Fatal("expected error when agreement_no empty")
}
}

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package fadada
import (
"fmt"
"strconv"
"sync"
"time"
)
// tokenCache accessToken 内存缓存(官方有效期约 2 小时)
type tokenCache struct {
mu sync.Mutex
token string
expiresAt time.Time
}
func (c *tokenCache) get() (string, bool) {
c.mu.Lock()
defer c.mu.Unlock()
if c.token == "" || time.Now().After(c.expiresAt) {
return "", false
}
return c.token, true
}
func (c *tokenCache) set(token string, ttl time.Duration) {
c.mu.Lock()
defer c.mu.Unlock()
c.token = token
c.expiresAt = time.Now().Add(ttl)
}
// ensureAccessToken 获取可用 accessToken过期前自动刷新
func (c *Client) ensureAccessToken() (string, error) {
if token, ok := c.tokenCache.get(); ok {
return token, nil
}
c.tokenMu.Lock()
defer c.tokenMu.Unlock()
if token, ok := c.tokenCache.get(); ok {
return token, nil
}
res, err := c.http.PostToken(pathGetAccessToken)
if err != nil {
return "", err
}
if res.Code != "" && res.Code != successCode {
return "", fmt.Errorf("获取法大大 accessToken 失败: code=%s msg=%s requestId=%s", res.Code, res.Msg, res.RequestID)
}
var data accessTokenData
if err := decodeData(res.Data, &data); err != nil {
return "", fmt.Errorf("解析 accessToken 失败: %w", err)
}
if data.AccessToken == "" {
return "", fmt.Errorf("获取法大大 accessToken 失败: 响应为空 code=%s msg=%s", res.Code, res.Msg)
}
ttl := 2*time.Hour - 5*time.Minute
if expiresIn, err := strconv.Atoi(data.ExpiresIn); err == nil && expiresIn > 0 {
ttl = time.Duration(expiresIn)*time.Second - 5*time.Minute
if ttl < time.Minute {
ttl = time.Minute
}
}
c.tokenCache.set(data.AccessToken, ttl)
return data.AccessToken, nil
}

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package fadada
// EnterpriseAuthRequest 企业认证请求(与 e签宝 字段对齐,便于后续统一调用)
type EnterpriseAuthRequest struct {
// ClientCorpID 企业在应用内的唯一标识;为空时默认使用统一社会信用代码
ClientCorpID string `json:"clientCorpId,omitempty"`
// ClientUserID 经办人在应用内的唯一标识;为空时默认使用经办人身份证号
ClientUserID string `json:"clientUserId,omitempty"`
CompanyName string `json:"companyName"`
UnifiedSocialCode string `json:"unifiedSocialCode"`
LegalPersonName string `json:"legalPersonName"`
LegalPersonID string `json:"legalPersonId"`
TransactorName string `json:"transactorName"`
TransactorMobile string `json:"transactorMobile"`
TransactorID string `json:"transactorId"`
}
// EnterpriseAuthResult 企业认证结果
type EnterpriseAuthResult struct {
// AuthFlowID 映射为法大大 clientCorpId便于后续按企业标识查询
AuthFlowID string `json:"authFlowId"`
AuthURL string `json:"authUrl"`
AuthShortURL string `json:"authShortUrl"`
}
// QueryOrgIdentityRequest 查询企业是否已实名
type QueryOrgIdentityRequest struct {
CorpName string `json:"corpName"`
CorpIdentNo string `json:"corpIdentNo"` // 统一社会信用代码
}
// QueryOrgIdentityResult 企业实名查询结果
type QueryOrgIdentityResult struct {
Identified bool `json:"identified"`
CorpName string `json:"corpName"`
CorpIdentNo string `json:"corpIdentNo"`
}
// ContractFillRequest 合作协议模板填单请求(对齐 e签宝 generateAndAddContractFile 入参)
type ContractFillRequest struct {
AgreementNo string `json:"agreementNo"` // 协议编号
CompanyName string `json:"companyName"` // 甲方企业名
UnifiedSocialCode string `json:"unifiedSocialCode"` // 甲方统一信用代码
EnterpriseAddress string `json:"enterpriseAddress"` // 甲方联系地址
AuthorizedRepName string `json:"authorizedRepName"` // 甲方授权代表/法人
// SignDate 签署/签订日期建议格式2006年01月02日为空则由调用方保证或使用当天
SignDate string `json:"signDate"`
FileName string `json:"fileName,omitempty"` // 生成文件名,可选
}
// ContractFileResult 模板填单结果(对齐 e签宝 FillTemplate 返回)
type ContractFileResult struct {
FileID string `json:"fileId"`
FileDownloadURL string `json:"fileDownloadUrl"`
}
// TemplateFieldValue 单个控件填写值
type TemplateFieldValue struct {
FieldID string `json:"fieldId"`
FieldValue string `json:"fieldValue"`
}
// 签署任务参与方 ActorId
// 基于签署模板创建时,必须与模板中「签署角色」名称完全一致。
const (
ActorIDPartyA = "甲方" // 甲方(企业入驻方)
ActorIDPartyB = "乙方" // 乙方(平台海宇)
)
// 签署任务状态(法大大 signTaskStatus
const (
SignTaskStatusCreated = "task_created"
SignTaskStatusFillProgress = "fill_progress"
SignTaskStatusFillCompleted = "fill_completed"
SignTaskStatusSignProgress = "sign_progress"
SignTaskStatusSignCompleted = "sign_completed"
SignTaskStatusFinished = "task_finished"
SignTaskStatusTerminated = "task_terminated"
)
// CreateSignFlowRequest 基于签署任务模板创建签署任务请求
type CreateSignFlowRequest struct {
// Subject 签署任务主题;为空则用合同名称
Subject string `json:"subject,omitempty"`
// PartyAOpenCorpID 甲方在法大大侧 openCorpId企业认证授权完成后获得
PartyAOpenCorpID string `json:"partyAOpenCorpId,omitempty"`
PartyAName string `json:"partyAName"`
PartyAUSCC string `json:"partyAUscc,omitempty"`
TransactorName string `json:"transactorName,omitempty"`
TransactorMobile string `json:"transactorMobile,omitempty"`
TransactorID string `json:"transactorId,omitempty"`
// TransReferenceID 业务侧关联号(如认证记录 ID
TransReferenceID string `json:"transReferenceId,omitempty"`
// Fill 创建模板任务后立即填写控件;非空时创建不 autoStart填完后自动 Start
Fill *ContractFillRequest `json:"fill,omitempty"`
}
// CreateSignFlowResult 创建签署任务结果
type CreateSignFlowResult struct {
SignTaskID string `json:"signTaskId"`
}
// SignURLResult 参与方签署链接
type SignURLResult struct {
SignURL string `json:"signUrl"`
EmbedURL string `json:"embedUrl,omitempty"`
ActorID string `json:"actorId"`
SignTaskID string `json:"signTaskId"`
}
// SignTaskPreviewURLResult 签署任务预览链接EUI非 PDF 直链)
type SignTaskPreviewURLResult struct {
SignTaskID string `json:"signTaskId"`
PreviewURL string `json:"previewUrl"`
}
// SignStatusResult 签署状态查询结果
type SignStatusResult struct {
SignTaskID string `json:"signTaskId"`
SignTaskStatus string `json:"signTaskStatus"`
Completed bool `json:"completed"`
Terminated bool `json:"terminated"`
FinishTime string `json:"finishTime,omitempty"`
TerminationNote string `json:"terminationNote,omitempty"`
RevokeReason string `json:"revokeReason,omitempty"`
}
// SignedFile 已签署文件下载信息
type SignedFile struct {
DownloadURL string `json:"downloadUrl"`
DownloadID string `json:"downloadId,omitempty"`
}
// DownloadSignedFilesResult 下载结果
type DownloadSignedFilesResult struct {
Files []*SignedFile `json:"files"`
}
// CallbackEvent 法大大回调事件(认证/签署)
type CallbackEvent struct {
Event string `json:"event"`
SignTaskID string `json:"signTaskId,omitempty"`
SignTaskStatus string `json:"signTaskStatus,omitempty"`
ClientCorpID string `json:"clientCorpId,omitempty"`
OpenCorpID string `json:"openCorpId,omitempty"`
AuthResult string `json:"authResult,omitempty"`
EventTime string `json:"eventTime,omitempty"`
Raw map[string]interface{} `json:"raw,omitempty"`
}
// ContractSigningRequest 一站式:填单 → 创建签署 → 取甲方链接
type ContractSigningRequest struct {
CreateSignFlowRequest
Fill ContractFillRequest `json:"fill"`
}
// ContractSigningResult 一站式签署结果
type ContractSigningResult struct {
SignTaskID string `json:"signTaskId"`
SignURL string `json:"signUrl"`
EmbedURL string `json:"embedUrl,omitempty"`
}