Class: SelfCrypto::Session

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

Direct Known Subclasses

InboundSession, OutboundSession

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ Object 



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# File 'ext/self_crypto/session.c', line 11

static VALUE initialize(int argc, VALUE * argv, VALUE self) {
    VALUE pickle, password;
    OlmSession * this;
    Data_Get_Struct(self, OlmSession, this);

    (void) rb_scan_args(argc, argv, "11", & pickle, & password);

    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 (self_olm_unpickle_session(this, RSTRING_PTR(password), RSTRING_LEN(password), RSTRING_PTR(dup_string(pickle)), RSTRING_LEN(pickle)) == -1) {
        raise_olm_error(self_olm_session_last_error(this));
    }

    return self;
}

Class Method Details

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

Parameters:

  • pickle (String) —

    pickled state

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

    password used to encrypt pickled state

Returns:



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# File 'lib/self_crypto/session.rb', line 8

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

Instance Method Details

#last_error ⇒ Object 



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# File 'ext/self_crypto/session.c', line 4

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

    return rb_str_new2(self_olm_session_last_error(this));
}

#to_pickle(*args) ⇒ Object 



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# File 'ext/self_crypto/session.c', line 158

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

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

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

    size = self_olm_pickle_session_length(this);

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

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

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

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

    retval = rb_str_new(ptr, size);

    free(ptr);

    return retval;
}

#will_receive?(*args) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/self_crypto/session.c', line 107

static VALUE will_receive(int argc, VALUE * argv, VALUE self) {
    VALUE one_time_message, identity;
    size_t result;
    OlmSession * this;
    Data_Get_Struct(self, OlmSession, this);

    identity = Qnil;

    (void) rb_scan_args(argc, argv, "11", & one_time_message, & identity);

    if (rb_obj_is_kind_of(one_time_message, rb_eval_string("SelfCrypto::PreKeyMessage")) != Qtrue) {
        rb_raise(rb_eTypeError, "one_time_message must be kind of PreKeyMessage");
    }

    one_time_message = rb_funcall(one_time_message, rb_intern("to_s"), 0);

    if (identity == Qnil) {
        result = self_olm_matches_inbound_session(this,
            RSTRING_PTR(dup_string(one_time_message)), RSTRING_LEN(one_time_message)
        );
    } else {
        result = self_olm_matches_inbound_session_from(this,
            RSTRING_PTR(identity), RSTRING_LEN(identity),
            RSTRING_PTR(dup_string(one_time_message)), RSTRING_LEN(one_time_message)
        );
    }

    if (result == -1) {

        raise_olm_error(self_olm_session_last_error(this));
    }

    return (result == 1) ? Qtrue : Qfalse;
}