diff options
| -rw-r--r-- | doc/aerc-imap.5.scd | 18 | ||||
| -rw-r--r-- | go.mod | 3 | ||||
| -rw-r--r-- | go.sum | 11 | ||||
| -rw-r--r-- | lib/oauthbearer.go | 42 | ||||
| -rw-r--r-- | worker/imap/worker.go | 34 |
5 files changed, 100 insertions, 8 deletions
diff --git a/doc/aerc-imap.5.scd b/doc/aerc-imap.5.scd index 12dcfbe..4307238 100644 --- a/doc/aerc-imap.5.scd +++ b/doc/aerc-imap.5.scd @@ -19,7 +19,7 @@ In accounts.conf (see *aerc-config*(5)), the following IMAP-specific options are available: *source* - imap[s][+insecure]://username[:password]@hostname[:port] + imap[s][+insecure|+oauthbearer]://username[:password]@hostname[:port]?[:oauth2_params] Remember that all fields must be URL encoded. The "@" symbol, when URL encoded, is *%40*. @@ -35,6 +35,22 @@ available: *imaps*: IMAP with TLS/SSL + *imaps+oauthbearer://* + IMAP with TLS/SSL using OAUTHBEARER Authentication + + *oauth2_params:* + + If specified, the configured password is used as an refresh token that + is exhanged with an access token + + - token_endpoint (required) + - client_id (optional) + - client_secret (optional) + - scope (optional) + + Example: + imaps+oauthbearer://...?token_endpoint=https://...&client_id= + *source-cred-cmd* Specifies the command to run to get the password for the IMAP account. This command will be run using `sh -c [command]`. If a diff --git a/go.mod b/go.mod index 1c3d156..ab0a033 100644 --- a/go.mod +++ b/go.mod @@ -11,7 +11,7 @@ require ( github.com/emersion/go-imap v1.0.0-beta.6 github.com/emersion/go-imap-idle v0.0.0-20190519112320-2704abd7050e github.com/emersion/go-message v0.10.3 - github.com/emersion/go-sasl v0.0.0-20190520160400-47d427600317 + github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c github.com/emersion/go-smtp v0.11.1 github.com/gdamore/tcell v1.1.2 github.com/go-ini/ini v1.42.0 @@ -28,6 +28,7 @@ require ( github.com/smartystreets/assertions v1.0.0 // indirect github.com/smartystreets/goconvey v0.0.0-20190330032615-68dc04aab96a // indirect github.com/stretchr/testify v1.3.0 + golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed // indirect gopkg.in/ini.v1 v1.42.0 // indirect ) diff --git a/go.sum b/go.sum index 6c33d94..ab11314 100644 --- a/go.sum +++ b/go.sum @@ -1,3 +1,4 @@ +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= git.sr.ht/~sircmpwn/getopt v0.0.0-20190214165041-9a4f886f9fc7 h1:xTFH5S/3ltiRvAtETLLDFWm5nVIouT5GeCPHm8UaVEU= git.sr.ht/~sircmpwn/getopt v0.0.0-20190214165041-9a4f886f9fc7/go.mod h1:wMEGFFFNuPos7vHmWXfszqImLppbc0wEhh6JBfJIUgw= git.sr.ht/~sircmpwn/getopt v0.0.0-20190609193657-e7e23d1cd3a3 h1:2l17fmuVbiS2cSx1m8e8GbikDUjAT5lril3/+XQsZAs= @@ -28,6 +29,8 @@ github.com/emersion/go-sasl v0.0.0-20161116183048-7e096a0a6197 h1:rDJPbyliyym8ZL github.com/emersion/go-sasl v0.0.0-20161116183048-7e096a0a6197/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k= github.com/emersion/go-sasl v0.0.0-20190520160400-47d427600317 h1:tYZxAY8nu3JJQKios9f27Sbvbkfm4XHXT476gVtszu0= github.com/emersion/go-sasl v0.0.0-20190520160400-47d427600317/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k= +github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c h1:Spm8jy+jWYG/Dn6ygbq/LBW/6M27kg59GK+FkKjexuw= +github.com/emersion/go-sasl v0.0.0-20190704090222-36b50694675c/go.mod h1:G/dpzLu16WtQpBfQ/z3LYiYJn3ZhKSGWn83fyoyQe/k= github.com/emersion/go-smtp v0.11.1 h1:2IBWhU2zjrfOOmZal3qRxVsfYnf0rN+ccImZrjnMT7E= github.com/emersion/go-smtp v0.11.1/go.mod h1:CfUbM5NgspbOMHFEgCdoK2PVrKt48HAPtL8hnahwfYg= github.com/emersion/go-textwrapper v0.0.0-20160606182133-d0e65e56babe h1:40SWqY0zE3qCi6ZrtTf5OUdNm5lDnGnjRSq9GgmeTrg= @@ -36,6 +39,7 @@ github.com/gdamore/encoding v1.0.0 h1:+7OoQ1Bc6eTm5niUzBa0Ctsh6JbMW6Ra+YNuAtDBdk github.com/gdamore/encoding v1.0.0/go.mod h1:alR0ol34c49FCSBLjhosxzcPHQbf2trDkoo5dl+VrEg= github.com/go-ini/ini v1.42.0 h1:TWr1wGj35+UiWHlBA8er89seFXxzwFn11spilrrj+38= github.com/go-ini/ini v1.42.0/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8= +github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U= github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf h1:7+FW5aGwISbqUtkfmIpZJGRgNFg2ioYPvFaUxdqpDsg= github.com/google/shlex v0.0.0-20181106134648-c34317bd91bf/go.mod h1:RpwtwJQFrIEPstU94h88MWPXP2ektJZ8cZ0YntAmXiE= github.com/gopherjs/gopherjs v0.0.0-20181017120253-0766667cb4d1 h1:EGx4pi6eqNxGaHF6qqu48+N2wcFQ5qg5FXgOdqsJ5d8= @@ -77,7 +81,13 @@ github.com/stretchr/testify v1.3.0 h1:TivCn/peBQ7UY8ooIcPgZFpTNSz0Q2U6UrFlUfqbe0 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/image v0.0.0-20190523035834-f03afa92d3ff/go.mod h1:kZ7UVZpmo3dzQBMxlp+ypCbDeSB+sBbTgSJuh5dn5js= +golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628= golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45 h1:SVwTIAaPC2U/AvvLNZ2a7OVsmBpC8L5BlwK1whH3hm0= +golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw= +golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM= golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= golang.org/x/sys v0.0.0-20190602015325-4c4f7f33c9ed h1:uPxWBzB3+mlnjy9W58qY1j/cjyFjutgw/Vhan2zLy/A= @@ -88,5 +98,6 @@ golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs= golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs= +google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4= gopkg.in/ini.v1 v1.42.0 h1:7N3gPTt50s8GuLortA00n8AqRTk75qOP98+mTPpgzRk= gopkg.in/ini.v1 v1.42.0/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k= diff --git a/lib/oauthbearer.go b/lib/oauthbearer.go new file mode 100644 index 0000000..5bcba60 --- /dev/null +++ b/lib/oauthbearer.go @@ -0,0 +1,42 @@ +package lib + +import ( + "context" + "fmt" + "github.com/emersion/go-imap/client" + "github.com/emersion/go-sasl" + "golang.org/x/oauth2" +) + +type OAuthBearer struct { + OAuth2 *oauth2.Config + Enabled bool +} + +func (c *OAuthBearer) exchangeRefreshToken(refreshToken string) (*oauth2.Token, error) { + token := new(oauth2.Token) + token.RefreshToken = refreshToken + token.TokenType = "Bearer" + return c.OAuth2.TokenSource(context.TODO(), token).Token() +} + +func (c *OAuthBearer) Authenticate(username string, password string, client *client.Client) error { + if ok, err := client.SupportAuth(sasl.OAuthBearer); err != nil || !ok { + return fmt.Errorf("OAuthBearer not supported %v", err) + } + + if c.OAuth2.Endpoint.TokenURL != "" { + token, err := c.exchangeRefreshToken(password) + if err != nil { + return err + } + password = token.AccessToken + } + + saslClient := sasl.NewOAuthBearerClient(&sasl.OAuthBearerOptions{ + Username: username, + Token: password, + }) + + return client.Authenticate(saslClient) +} diff --git a/worker/imap/worker.go b/worker/imap/worker.go index 88f8b37..de86994 100644 --- a/worker/imap/worker.go +++ b/worker/imap/worker.go @@ -9,7 +9,9 @@ import ( "github.com/emersion/go-imap" idle "github.com/emersion/go-imap-idle" "github.com/emersion/go-imap/client" + "golang.org/x/oauth2" + "git.sr.ht/~sircmpwn/aerc/lib" "git.sr.ht/~sircmpwn/aerc/models" "git.sr.ht/~sircmpwn/aerc/worker/types" ) @@ -23,11 +25,12 @@ type imapClient struct { type IMAPWorker struct { config struct { - scheme string - insecure bool - addr string - user *url.Userinfo - folders []string + scheme string + insecure bool + addr string + user *url.Userinfo + folders []string + oauthBearer lib.OAuthBearer } client *imapClient @@ -71,6 +74,20 @@ func (w *IMAPWorker) handleMessage(msg types.WorkerMessage) error { w.config.insecure = true } + if strings.HasSuffix(w.config.scheme, "+oauthbearer") { + w.config.scheme = strings.TrimSuffix(w.config.scheme, "+oauthbearer") + w.config.oauthBearer.Enabled = true + q := u.Query() + if q.Get("token_endpoint") != "" { + w.config.oauthBearer.OAuth2 = &oauth2.Config{ + ClientID: q.Get("client_id"), + ClientSecret: q.Get("client_secret"), + Scopes: []string{q.Get("scope")}, + } + w.config.oauthBearer.OAuth2.Endpoint.TokenURL = q.Get("token_endpoint") + } + } + w.config.addr = u.Host if !strings.ContainsRune(w.config.addr, ':') { w.config.addr += ":" + w.config.scheme @@ -110,7 +127,12 @@ func (w *IMAPWorker) handleMessage(msg types.WorkerMessage) error { if !hasPassword { // TODO: ask password } - if err := c.Login(username, password); err != nil { + + if w.config.oauthBearer.Enabled { + if err := w.config.oauthBearer.Authenticate(username, password, c); err != nil { + return err + } + } else if err := c.Login(username, password); err != nil { return err } } |