Class: SelfCrypto::Account

Inherits:
Object
  • Object
show all
Defined in:
lib/self_crypto/account.rb,
ext/self_crypto/account.c

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Object 



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# File 'ext/self_crypto/account.c', line 13

static VALUE initialize(int argc, VALUE *argv, VALUE self)
{
    VALUE pickle, password, seed, opts;
    size_t size;
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    (void)rb_scan_args(argc, argv, "0:", &opts);

    opts = (opts == Qnil) ? rb_hash_new(): opts;

    pickle = rb_hash_aref(opts, ID2SYM(rb_intern("pickle")));
    password = rb_hash_aref(opts, ID2SYM(rb_intern("password")));
    seed = rb_hash_aref(opts, ID2SYM(rb_intern("seed")));

    if(pickle != Qnil){

        if(rb_obj_is_kind_of(pickle, rb_cString) != Qtrue){

            rb_raise(rb_eTypeError, "pickle must be kind of String");
        }
    }

    if(password != Qnil){

        if(rb_obj_is_kind_of(password, rb_cString) != Qtrue){

            rb_raise(rb_eTypeError, "password must be kind of String");
        }
    }
    else{

        password = rb_str_new2("");
    }

    if(pickle != Qnil){
        if(olm_unpickle_account(this, RSTRING_PTR(password), RSTRING_LEN(password), RSTRING_PTR(dup_string(pickle)), RSTRING_LEN(pickle)) == olm_error()){
            raise_olm_error(olm_account_last_error(this));
        }
    } else if(seed != Qnil){
        if(olm_create_account_derrived_keys(this, RSTRING_PTR(seed), RSTRING_LEN(seed)) == olm_error()){
            raise_olm_error(olm_account_last_error(this));
        }
    } else {
        size = olm_create_account_random_length(this);

        if(olm_create_account(this, RSTRING_PTR(get_random(size)), size) == olm_error()){
            raise_olm_error(olm_account_last_error(this));
        }
    }

    return self;
}

Class Method Details

.from_pickle(pickle, password = "") ⇒ Account

Parameters:

  • pickle (String) —

    pickled state

  • password (String) (defaults to: "") —

    password used to encrypt pickled state

Returns:



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# File 'lib/self_crypto/account.rb', line 10

def self.from_pickle(pickle, password="")
  Account.new(pickle: pickle, password: password)
end

.from_seed(seed) ⇒ Object 



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# File 'lib/self_crypto/account.rb', line 14

def self.from_seed(seed)
  Account.new(seed: Base64.decode64(seed))
end

Instance Method Details

#gen_otk(number = 1) ⇒ Object 



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# File 'lib/self_crypto/account.rb', line 18

def gen_otk(number=1)
  generate_one_time_keys(number)
end

#generate_one_time_keys(number) ⇒ Object 



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# File 'ext/self_crypto/account.c', line 84

static VALUE generate_one_time_keys(VALUE self, VALUE number)
{
    size_t size;
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    size = olm_account_generate_one_time_keys_random_length(this, NUM2SIZET(number));

    if(olm_account_generate_one_time_keys(this, NUM2SIZET(number), RSTRING_PTR(get_random(size)), size) == olm_error()){

        raise_olm_error(olm_account_last_error(this));
    }

    return self;
}

#identity_keys ⇒ Object Also known as: ik 



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# File 'ext/self_crypto/account.c', line 67

static VALUE identity_keys(VALUE self)
{
    OlmAccount *this;
    size_t size;
    Data_Get_Struct(self, OlmAccount, this);

    size = olm_account_identity_keys_length(this);
    uint8_t buf[size];

    if(olm_account_identity_keys(this, buf, size) != size){

        raise_olm_error(olm_account_last_error(this));
    }

    return rb_funcall(rb_eval_string("JSON"), rb_intern("parse"), 1, rb_str_new((char *)buf, size));
}

#inbound_session(*args) ⇒ Object 



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# File 'ext/self_crypto/account.c', line 204

static VALUE inbound_session(int argc, VALUE *argv, VALUE self)
{
    VALUE args[] = {self, Qnil, Qnil};

    (void)rb_scan_args(argc, argv, "11", &args[1], &args[2]);

    return rb_class_new_instance(sizeof(args)/sizeof(*args), args, rb_eval_string("SelfCrypto::InboundSession"));
}

#last_error ⇒ Object 



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# File 'ext/self_crypto/account.c', line 5

static VALUE last_error(VALUE self)
{
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    return rb_funcall(rb_eval_string("SelfCrypto::OlmError"), rb_intern("from_string"), 1, rb_str_new2(olm_account_last_error(this)));
}

#mark_keys_as_published ⇒ Object Also known as: mark_otk 



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# File 'ext/self_crypto/account.c', line 165

static VALUE mark_keys_as_published(VALUE self)
{
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    (void)olm_account_mark_keys_as_published(this);

    return self;
}

#max_number_of_one_time_keys ⇒ Object Also known as: max_otk 



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# File 'ext/self_crypto/account.c', line 175

static VALUE max_number_of_one_time_keys(VALUE self)
{
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    return SIZET2NUM(olm_account_max_number_of_one_time_keys(this));
}

#one_time_keys ⇒ Object Also known as: otk 



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# File 'ext/self_crypto/account.c', line 108

static VALUE one_time_keys(VALUE self)
{
    VALUE retval;
    size_t size;
    void *ptr;
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    size = olm_account_one_time_keys_length(this);

    // add an additional byte to stop this from overflowing
    if((ptr = malloc(size+1)) == NULL){

        rb_raise(rb_eNoMemError, "%s()", __FUNCTION__);
    }

    if(olm_account_one_time_keys(this, ptr, size) != size){

        free(ptr);
        raise_olm_error(olm_account_last_error(this));
    }

    retval = rb_funcall(rb_eval_string("JSON"), rb_intern("parse"), 1, rb_str_new(ptr, size));

    free(ptr);

    return retval;
}

#one_time_keys_size ⇒ Object 



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# File 'ext/self_crypto/account.c', line 100

static VALUE one_time_keys_size(VALUE self)
{
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    return SIZET2NUM(olm_account_one_time_keys_length(this));
}

#outbound_session(identity_key, pre_key) ⇒ Object 



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# File 'ext/self_crypto/account.c', line 199

static VALUE outbound_session(VALUE self, VALUE identity_key, VALUE pre_key)
{
    return rb_funcall(rb_eval_string("SelfCrypto::OutboundSession"), rb_intern("new"), 3, self, identity_key, pre_key);
}

#remove_one_time_keys(session) ⇒ Object Also known as: update_otk 



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# File 'ext/self_crypto/account.c', line 183

static VALUE remove_one_time_keys(VALUE self, VALUE session)
{
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    OlmSession *s;
    Data_Get_Struct(session, OlmSession, s);

    if(olm_remove_one_time_keys(this, s) == olm_error()){

        raise_olm_error(olm_account_last_error(this));
    }

    return self;
}

#sign(message) ⇒ Object 



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# File 'ext/self_crypto/account.c', line 137

static VALUE sign(VALUE self, VALUE message)
{
    VALUE retval;
    size_t size;
    void *ptr;
    OlmAccount *this;
    Data_Get_Struct(self, OlmAccount, this);

    size = olm_account_signature_length(this);

    if((ptr = malloc(size)) == NULL){

        rb_raise(rb_eNoMemError, "%s()", __FUNCTION__);
    }

    if(olm_account_sign(this, RSTRING_PTR(message), RSTRING_LEN(message), ptr, size) == olm_error()){

        free(ptr);
        raise_olm_error(olm_account_last_error(this));
    }

    retval = rb_str_new(ptr, size);

    free(ptr);

    return retval;
}

#to_pickle(*args) ⇒ Object 



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# File 'ext/self_crypto/account.c', line 213

static VALUE to_pickle(int argc, VALUE *argv, VALUE self)
{
    VALUE password, retval;
    OlmAccount *this;
    void *ptr;
    size_t size;
    Data_Get_Struct(self, OlmAccount, this);

    (void)rb_scan_args(argc, argv, "01", &password);

    password = (password == Qnil) ? rb_str_new2("") : password;

    size = olm_pickle_account_length(this);

    if((ptr = malloc(size)) == NULL){

        rb_raise(rb_eNoMemError, "%s()", __FUNCTION__);
    }

    if(olm_pickle_account(this, RSTRING_PTR(password), RSTRING_LEN(password), ptr, size) != size){

        free(ptr);
        raise_olm_error(olm_account_last_error(this));
    }

    retval = rb_str_new(ptr, size);

    free(ptr);

    return retval;
}