// GetLogin accepts a request to authorize the user and to
// return a valid OAuth2 access token. The access token is
// returned as url segment #access_token
//
// GET /login/:host
//
func GetLogin(c web.C, w http.ResponseWriter, r *http.Request) {
var ctx = context.FromC(c)
var host = c.URLParams["host"]
var redirect = "/"
var remote = remote.Lookup(host)
if remote == nil {
w.WriteHeader(http.StatusNotFound)
return
}
// authenticate the user
login, err := remote.Authorize(w, r)
if err != nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
} else if login == nil {
// in this case we probably just redirected
// the user, so we can exit with no error
return
}
// get the user from the database
u, err := datastore.GetUserLogin(ctx, host, login.Login)
if err != nil {
// if self-registration is disabled we should
// return a notAuthorized error. the only exception
// is if no users exist yet in the system we'll proceed.
if capability.Enabled(ctx, capability.Registration) == false {
users, err := datastore.GetUserList(ctx)
if err != nil || len(users) != 0 {
log.Println("Unable to create account. Registration is closed")
w.WriteHeader(http.StatusForbidden)
return
}
}
// create the user account
u = model.NewUser(remote.GetKind(), login.Login, login.Email)
u.Name = login.Name
u.SetEmail(login.Email)
// insert the user into the database
if err := datastore.PostUser(ctx, u); err != nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
}
// if this is the first user, they
// should be an admin.
if u.ID == 1 {
u.Admin = true
}
}
// update the user access token
// in case it changed in GitHub
u.Access = login.Access
u.Secret = login.Secret
u.Name = login.Name
u.SetEmail(login.Email)
u.Syncing = u.IsStale()
if err := datastore.PutUser(ctx, u); err != nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
}
// look at the last synchronized date to determine if
// we need to re-sync the account.
//
// todo(bradrydzewski) this should move to a server/sync package and
// should be injected into this struct, just like the database code.
//
// todo(bradrydzewski) this login should be a bit more intelligent
// than the current implementation.
if u.Syncing {
redirect = "/sync"
log.Println("sync user account.", u.Login)
// sync inside a goroutine
go sync.SyncUser(ctx, u, remote)
}
token, err := session.GenerateToken(ctx, r, u)
if err != nil {
log.Println(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
redirect = redirect + "#access_token=" + token
http.Redirect(w, r, redirect, http.StatusSeeOther)
}
// GetLogin accepts a request to authorize the user and to
// return a valid OAuth2 access token. The access token is
// returned as url segment #access_token
//
// GET /login/:host
//
func GetLogin(c web.C, w http.ResponseWriter, r *http.Request) {
var ctx = context.FromC(c)
var host = c.URLParams["host"]
var redirect = "/"
var remote = remote.Lookup(host)
if remote == nil {
w.WriteHeader(http.StatusNotFound)
return
}
// authenticate the user
login, err := remote.Authorize(w, r)
if err != nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
} else if login == nil {
// in this case we probably just redirected
// the user, so we can exit with no error
return
}
// get the user from the database
u, err := datastore.GetUserLogin(ctx, host, login.Login)
if err != nil {
// if self-registration is disabled we should
// return a notAuthorized error. the only exception
// is if no users exist yet in the system we'll proceed.
if capability.Enabled(ctx, capability.Registration) == false {
users, err := datastore.GetUserList(ctx)
if err != nil || len(users) != 0 {
log.Println("Unable to create account. Registration is closed")
w.WriteHeader(http.StatusForbidden)
return
}
}
// create the user account
u = model.NewUser(remote.GetKind(), login.Login, login.Email)
u.Name = login.Name
u.SetEmail(login.Email)
// insert the user into the database
if err := datastore.PostUser(ctx, u); err != nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
}
// if this is the first user, they
// should be an admin.
if u.ID == 1 {
u.Admin = true
}
}
// update the user access token
// in case it changed in GitHub
u.Access = login.Access
u.Secret = login.Secret
u.Name = login.Name
u.SetEmail(login.Email)
u.Syncing = true //u.IsStale() // todo (badrydzewski) should not always sync
if err := datastore.PutUser(ctx, u); err != nil {
log.Println(err)
w.WriteHeader(http.StatusBadRequest)
return
}
// look at the last synchronized date to determine if
// we need to re-sync the account.
//
// todo(bradrydzewski) this should move to a server/sync package and
// should be injected into this struct, just like the database code.
//
// todo(bradrydzewski) this login should be a bit more intelligent
// than the current implementation.
if u.Syncing {
redirect = "/sync"
log.Println("sync user account.", u.Login)
// sync inside a goroutine. This should eventually be moved to
// its own package / sync utility.
go func() {
repos, err := remote.GetRepos(u)
if err != nil {
log.Println("Error syncing user account, listing repositories", u.Login, err)
return
}
// insert all repositories
for _, repo := range repos {
var role = repo.Role
if err := datastore.PostRepo(ctx, repo); err != nil {
// typically we see a failure because the repository already exists
// in which case, we can retrieve the existing record to get the ID.
repo, err = datastore.GetRepoName(ctx, repo.Host, repo.Owner, repo.Name)
if err != nil {
log.Println("Error adding repo.", u.Login, repo.Name, err)
continue
}
}
// add user permissions
perm := model.Perm{
UserID: u.ID,
RepoID: repo.ID,
Read: role.Read,
Write: role.Write,
Admin: role.Admin,
}
if err := datastore.PostPerm(ctx, &perm); err != nil {
log.Println("Error adding permissions.", u.Login, repo.Name, err)
continue
}
log.Println("Successfully syced repo.", u.Login+"/"+repo.Name)
}
u.Synced = time.Now().UTC().Unix()
u.Syncing = false
if err := datastore.PutUser(ctx, u); err != nil {
log.Println("Error syncing user account, updating sync date", u.Login, err)
return
}
}()
}
token, err := session.GenerateToken(ctx, r, u)
if err != nil {
log.Println(err)
w.WriteHeader(http.StatusInternalServerError)
return
}
redirect = redirect + "#access_token=" + token
http.Redirect(w, r, redirect, http.StatusSeeOther)
}