From 9822842646bc2b940d4b98a260ee4e3ac26fce57 Mon Sep 17 00:00:00 2001
From: Eduardo Chappa <chappa@washington.edu>
Date: Wed, 15 Jan 2020 12:42:06 -0700
Subject:    * Add configuration screen for XOAUTH, so users can configure
 their own      client-id and client-secret information.

---
 imap/src/c-client/auth_oa2.c | 16 +++++++++-------
 imap/src/c-client/mail.c     |  7 +++++++
 imap/src/c-client/mail.h     |  8 ++++++--
 3 files changed, 22 insertions(+), 9 deletions(-)

(limited to 'imap/src/c-client')

diff --git a/imap/src/c-client/auth_oa2.c b/imap/src/c-client/auth_oa2.c
index 907f722f..7ac1cb23 100644
--- a/imap/src/c-client/auth_oa2.c
+++ b/imap/src/c-client/auth_oa2.c
@@ -228,15 +228,17 @@ mm_login_oauth2_c_client_method (NETMBX *mb, char *user,
    char *s = NULL;
    JSON_S *json = NULL;
 
-   if(oauth2->param[OA2_Id].value == NULL 
-      || oauth2->param[OA2_Secret].value == NULL){
-    /*
-     * We need to implement client-side entering client_id and
-     * client_secret, and other parameters. In the mean time, bail out.
-     */
-     return;
+   if(oauth2->param[OA2_Id].value == NULL || oauth2->param[OA2_Secret].value == NULL){
+     oauth2clientinfo_t ogci =
+		(oauth2clientinfo_t) mail_parameters (NIL, GET_OA2CLIENTINFO, NIL);
+
+     if(ogci) (*ogci)(oauth2->name, &oauth2->param[OA2_Id].value,
+				&oauth2->param[OA2_Secret].value);
    }
 
+   if(oauth2->param[OA2_Id].value == NULL || oauth2->param[OA2_Secret].value == NULL)
+      return;
+
    /* first check if we have a refresh token, and in that case use it */
    if(oauth2->param[OA2_RefreshToken].value){
 
diff --git a/imap/src/c-client/mail.c b/imap/src/c-client/mail.c
index 7291a642..adddb9d4 100644
--- a/imap/src/c-client/mail.c
+++ b/imap/src/c-client/mail.c
@@ -91,6 +91,8 @@ static copyuid_t mailcopyuid = NIL;
 static appenduid_t mailappenduid = NIL;
 
 static oauth2getaccesscode_t oauth2getaccesscode = NIL;
+
+static oauth2clientinfo_t oauth2clientinfo = NIL;
 				/* free elt extra stuff callback */
 static freeeltsparep_t mailfreeeltsparep = NIL;
 				/* free envelope extra stuff callback */
@@ -673,6 +675,11 @@ void *mail_parameters (MAILSTREAM *stream,long function,void *value)
   case GET_OA2CLIENTGETACCESSCODE:
     ret = (void *) oauth2getaccesscode;
     break;
+  case SET_OA2CLIENTINFO:
+    oauth2clientinfo = (oauth2clientinfo_t) value;
+  case GET_OA2CLIENTINFO:
+    ret = (void *) oauth2clientinfo;
+    break;
   default:
     if ((r = smtp_parameters (function,value)) != NULL) ret = r;
     if ((r = env_parameters (function,value)) != NULL) ret = r;
diff --git a/imap/src/c-client/mail.h b/imap/src/c-client/mail.h
index b5cd65d2..4cb35133 100644
--- a/imap/src/c-client/mail.h
+++ b/imap/src/c-client/mail.h
@@ -1,5 +1,5 @@
 /*
- * Copyright 2016-2018 Eduardo Chappa
+ * Copyright 2016-2020 Eduardo Chappa
  *
  * Last Edited: July 21, 2018 Eduardo Chappa <chappa@washington.edu>
  *
@@ -156,6 +156,8 @@
 #define SET_IDSTREAM  (long) 168
 #define GET_OA2CLIENTGETACCESSCODE (long) 169
 #define SET_OA2CLIENTGETACCESSCODE (long) 170
+#define GET_OA2CLIENTINFO (long) 171
+#define SET_OA2CLIENTINFO (long) 172
 
 	/* 2xx: environment */
 #define GET_USERNAME (long) 201
@@ -1939,7 +1941,7 @@ typedef struct OA2_serverparam_s {
 } OAUTH2_SERVER_METHOD_S;
 
 typedef struct oauth2_s {
-   char *name;                          /* provider name */
+   unsigned char *name;                          /* provider name */
    char *host[OAUTH2_TOT_EQUIV];        /* servers for which this data applies  */
    OAUTH2_PARAM_S param[OA2_End];	/* parameters name and values for this server */
 		/* servers, methods and parameters to retrieve access code and tokens */
@@ -1949,3 +1951,5 @@ typedef struct oauth2_s {
 } OAUTH2_S;
 
 typedef char *(*oauth2getaccesscode_t) (char *url, OAUTH2_S *, int *);
+typedef void *(*oauth2clientinfo_t)(char *name, char **id, char **secret);
+
-- 
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