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Better separation between EIP-191 UI & business logic

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This commit is contained in:
Alexandre Paillier
2022-09-08 18:41:49 +02:00
parent 4bbc142ee5
commit e93d82c104
6 changed files with 79 additions and 88 deletions
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99
src_features/signMessage/cmd_signMessage.c
View File

@@ -12,7 +12,6 @@ static struct
{
sign_message_state sign_state : 1;
bool ui_started : 1;
ui_191_position ui_pos : 2;
} states;
static const char SIGN_MAGIC[] =
@@ -81,42 +80,6 @@ static void reset_ui_buffer(void)
UI_191_BUFFER[0] = '\0';
}
/**
* Switch to the beginning of the Message UI page
*/
static void switch_to_message(void)
{
ui_191_switch_to_message();
states.ui_pos = UI_191_REVIEW;
}
/**
* Switch to the end of the Message UI page
*/
static void switch_to_message_end(void)
{
ui_191_switch_to_message_end();
states.ui_pos = UI_191_REVIEW;
}
/**
* Switch to the Sign UI page
*/
static void switch_to_sign(void)
{
ui_191_switch_to_sign();
states.ui_pos = UI_191_END;
}
/**
* Switch to the interactive question UI page
*/
static void switch_to_question(void)
{
ui_191_switch_to_question();
states.ui_pos = UI_191_QUESTION;
}
/**
* Handle the data specific to the first APDU of an EIP-191 signature
*
@@ -165,7 +128,6 @@ static const uint8_t *first_apdu_data(const uint8_t *data, uint16_t *length)
reset_ui_buffer();
states.sign_state = STATE_191_HASH_DISPLAY;
states.ui_started = false;
states.ui_pos = UI_191_REVIEW;
return data;
}
@@ -241,12 +203,12 @@ static void feed_display(void)
{
if (!states.ui_started)
{
ui_display_sign();
ui_191_start();
states.ui_started = true;
}
else
{
switch_to_message();
ui_191_switch_to_message();
}
}
@@ -301,7 +263,11 @@ bool handleSignPersonalMessage(uint8_t p1,
{
if (tmpCtx.messageSigningContext.remainingLength == 0)
{
switch_to_sign();
#ifdef NO_CONSENT
io_seproxyhal_touch_signMessage_ok();
#else
ui_191_switch_to_sign();
#endif
}
else
{
@@ -312,30 +278,28 @@ bool handleSignPersonalMessage(uint8_t p1,
return true;
}
void dummy_pre_cb(void)
/**
* Decide whether to show the question to show more of the message or not
*/
void question_switcher(void)
{
if (states.ui_pos == UI_191_REVIEW)
if ((states.sign_state == STATE_191_HASH_DISPLAY)
&& ((tmpCtx.messageSigningContext.remainingLength > 0)
|| (unprocessed_length() > 0)))
{
if ((states.sign_state == STATE_191_HASH_DISPLAY)
&& ((tmpCtx.messageSigningContext.remainingLength > 0)
|| (unprocessed_length() > 0)))
{
switch_to_question();
}
else
{
// Go to Sign / Cancel
switch_to_sign();
}
ui_191_switch_to_question();
}
else
{
ux_flow_prev();
states.ui_pos = UI_191_REVIEW;
// Go to Sign / Cancel
ui_191_switch_to_sign();
}
}
void theres_more_click_cb(void)
/**
* The user has decided to skip the rest of the message
*/
void skip_rest_of_message(void)
{
states.sign_state = STATE_191_HASH_ONLY;
if (tmpCtx.messageSigningContext.remainingLength > 0)
@@ -345,23 +309,18 @@ void theres_more_click_cb(void)
}
else
{
switch_to_sign();
ui_191_switch_to_sign();
}
}
void dummy_post_cb(void)
/**
* The user has decided to see the next chunk of the message
*/
void continue_displaying_message(void)
{
if (states.ui_pos == UI_191_QUESTION)
reset_ui_buffer();
if (unprocessed_length() > 0)
{
reset_ui_buffer();
if (unprocessed_length() > 0)
{
feed_display();
}
// TODO: respond to apdu ?
}
else // UI_191_END
{
switch_to_message_end();
feed_display();
}
}

4
src_features/signMessage/sign_message.h
View File

@@ -2,7 +2,6 @@
#define SIGN_MESSAGE_H_
typedef enum { STATE_191_HASH_DISPLAY = 0, STATE_191_HASH_ONLY } sign_message_state;
typedef enum { UI_191_REVIEW = 0, UI_191_QUESTION, UI_191_END } ui_191_position;
#define UI_191_BUFFER strings.tmp.tmp
@@ -10,8 +9,5 @@ typedef enum { UI_191_REVIEW = 0, UI_191_QUESTION, UI_191_END } ui_191_position;
void question_switcher(void);
void skip_rest_of_message(void);
void continue_displaying_message(void);
void dummy_pre_cb(void);
void theres_more_click_cb(void);
void dummy_post_cb(void);
#endif // SIGN_MESSAGE_H_