From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Qiantan Hong Newsgroups: gmane.emacs.devel Subject: Re: [PATCH] Add user content APIs for WebKit Xwidgets Date: Sat, 29 Aug 2020 04:45:53 +0000 Message-ID: <41E2E924-1F0E-43BD-9B61-B3A029F32DF1@mit.edu> References: Mime-Version: 1.0 Content-Type: multipart/signed; boundary="Apple-Mail=_E40231C9-EE77-423C-BDB8-4B516B34C0EE"; protocol="application/pkcs7-signature"; micalg=sha-256 Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10989"; mail-complaints-to="usenet@ciao.gmane.io" Cc: "emacs-devel@gnu.org" To: "rms@gnu.org" Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat Aug 29 06:46:41 2020 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kBslF-0002jL-MU for ged-emacs-devel@m.gmane-mx.org; Sat, 29 Aug 2020 06:46:41 +0200 Original-Received: from localhost ([::1]:59772 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kBslE-0001EE-NM for ged-emacs-devel@m.gmane-mx.org; Sat, 29 Aug 2020 00:46:40 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:38172) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBska-0000b1-EN for emacs-devel@gnu.org; Sat, 29 Aug 2020 00:46:00 -0400 Original-Received: from outgoing-exchange-3.mit.edu ([18.9.28.13]:42736) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kBskY-0005bm-AD for emacs-devel@gnu.org; Sat, 29 Aug 2020 00:45:59 -0400 Original-Received: from oc11exedge1.exchange.mit.edu (OC11EXEDGE1.EXCHANGE.MIT.EDU [18.9.3.17]) by outgoing-exchange-3.mit.edu (8.14.7/8.12.4) with ESMTP id 07T4jq9O029186; Sat, 29 Aug 2020 00:45:55 -0400 Original-Received: from oc11expo16.exchange.mit.edu (18.9.4.47) by oc11exedge1.exchange.mit.edu (18.9.3.17) with Microsoft SMTP Server (TLS) id 15.0.1293.2; Sat, 29 Aug 2020 00:45:38 -0400 Original-Received: from oc11expo16.exchange.mit.edu (18.9.4.47) by oc11expo16.exchange.mit.edu (18.9.4.47) with Microsoft SMTP Server (TLS) id 15.0.1365.1; Sat, 29 Aug 2020 00:45:53 -0400 Original-Received: from oc11expo16.exchange.mit.edu ([18.9.4.47]) by oc11expo16.exchange.mit.edu ([18.9.4.47]) with mapi id 15.00.1365.000; Sat, 29 Aug 2020 00:45:53 -0400 Thread-Topic: [PATCH] Add user content APIs for WebKit Xwidgets Thread-Index: AQHWfOJ72IExLf6WZUuCQTChnsOyvKlOesxvgABNCQA= In-Reply-To: Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: yes x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [18.18.245.17] Received-SPF: pass client-ip=18.9.28.13; envelope-from=qhong@mit.edu; helo=outgoing-exchange-3.mit.edu X-detected-operating-system: by eggs.gnu.org: First seen = 2020/08/29 00:45:56 X-ACL-Warn: Detected OS = Windows 7 (Websense crawler) X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: "Emacs-devel" Xref: news.gmane.io gmane.emacs.devel:254377 Archived-At: --Apple-Mail=_E40231C9-EE77-423C-BDB8-4B516B34C0EE Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 > for WebKit Xwidgets, both >> for WebKitGTK impl and NS/mac impl. >=20 > Can you tell me what this has to do with Javascript? > Is Webkitgtk implemented using Javascript? No, but it=E2=80=99s a Javascript enabled web rendering engine, and it provides API to interact with its Javascript interpreter. >=20 >> The script message handler API makes it possible to trigger event in = emacs >> from JavaScript, and can be used to implement procedure calling from >> js to elisp. Currently only the other way around is possible. >=20 > If the Javascript code is free, or user-written, there's no harm in = doing such > calls in either direction. But when the language is Javascript, given = the way > Javascript is usually used (running nonfree programs that random sites = send, > often in obfuscated form), I'm concerned that we are opening the door > to vicious habits that we ought to be trying to discourage. The Webkit itself supports Javascript and in current form that it's = embedded in Emacs, it either allows any Javascript execution, or Javascript can be = completely=20 disabled. This patch is about exposing more APIs to interact with = Javascript, and can be possibly used to control Javascript execution.=20 I=E2=80=99m currently reading the source of librejs. It=E2=80=99s also = written in=20 Javascript and look like to let it run in Emacs and supervise the Webkit = Xwidgets, bidirectional calling between Elisp/JS is a necessity =E2=80=94 which = this patch provides. --Apple-Mail=_E40231C9-EE77-423C-BDB8-4B516B34C0EE Content-Disposition: attachment; filename="smime.p7s" Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCA70w ggO5MIIDIqADAgECAhAaql39NsO1qLVjkS2hl517MA0GCSqGSIb3DQEBCwUAMGwxCzAJBgNVBAYT AlVTMRYwFAYDVQQIEw1NYXNzYWNodXNldHRzMS4wLAYDVQQKEyVNYXNzYWNodXNldHRzIEluc3Rp dHV0ZSBvZiBUZWNobm9sb2d5MRUwEwYDVQQLEwxDbGllbnQgQ0EgdjEwHhcNMjAwODAzMDEyNDIz WhcNMjEwODAxMDEyNDIzWjCBoTELMAkGA1UEBhMCVVMxFjAUBgNVBAgTDU1hc3NhY2h1c2V0dHMx LjAsBgNVBAoTJU1hc3NhY2h1c2V0dHMgSW5zdGl0dXRlIG9mIFRlY2hub2xvZ3kxFTATBgNVBAsT DENsaWVudCBDQSB2MTEVMBMGA1UEAxMMUWlhbnRhbiBIb25nMRwwGgYJKoZIhvcNAQkBFg1xaG9u Z0BNSVQuRURVMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAylUlEQdK4BSXKzoGh6As CKN/TpLmC0kjhPdxUKMj1/86Xl6GDCla4h95uISDOWVAKdu3cIlA8m9zRLT2jNEIkt1DVpXP6c9h y8RRyfJm0qlrvr6tsHi5AmO4Li6s2dEGaTxbakPL6vEn7ZYr86t5orq56nubki77Z8ZvRv9/fWdF bF/YBNGDayLNk0NbXIEQdCHiz1l+bxfw+GHHRmdOge3MKWSg463+GGMdxtLQ61AbtR2vm47FIJBt c0X6ptcInWUg4Nf/9vSNGl6KvREvfbEWKCT6TfL5ncIFlitf6ZWKue2PZ4ULFfIQ3/7EsEk03xxr S7sTOy7e2dbPboe/WwIDAQABo4GhMIGeMAkGA1UdEwQCMAAwEQYJYIZIAYb4QgEBBAQDAgWgMB0G A1UdJQQWMBQGCCsGAQUFBwMEBggrBgEFBQcDAjALBgNVHQ8EBAMCBeAwHQYDVR0OBBYEFDeb9Jlj XSm+y0CD872IhzRDIGv1MDMGA1UdHwQsMCowKKAmoCSGImh0dHA6Ly9jYS5taXQuZWR1L2NhL21p dGNsaWVudC5jcmwwDQYJKoZIhvcNAQELBQADgYEApBTx4tBbD5rQ+bNGd/Z3OBV07qFsm5QHNg0+ 6lxJ3j7q5zMMq35o6y5cBIhcFG6t+MFqJIdERZ3EprDturyqozQsIBMHFnqh+iZcMg0uQyssEqKZ hrzIdw8GuY4Z6jNewdGy5mwwG9yjpEbzWWgdofSM5rnezZz7EvCQu9ilt1sxggNDMIIDPwIBATCB gDBsMQswCQYDVQQGEwJVUzEWMBQGA1UECBMNTWFzc2FjaHVzZXR0czEuMCwGA1UEChMlTWFzc2Fj aHVzZXR0cyBJbnN0aXR1dGUgb2YgVGVjaG5vbG9neTEVMBMGA1UECxMMQ2xpZW50IENBIHYxAhAa ql39NsO1qLVjkS2hl517MA0GCWCGSAFlAwQCAQUAoIIBkzAYBgkqhkiG9w0BCQMxCwYJKoZIhvcN AQcBMBwGCSqGSIb3DQEJBTEPFw0yMDA4MjkwNDQ1NTNaMC8GCSqGSIb3DQEJBDEiBCAl2oDqYJgd dPpPoQ6H3fYCiROklLZhIXqAXlDC4tu6DDCBkQYJKwYBBAGCNxAEMYGDMIGAMGwxCzAJBgNVBAYT AlVTMRYwFAYDVQQIEw1NYXNzYWNodXNldHRzMS4wLAYDVQQKEyVNYXNzYWNodXNldHRzIEluc3Rp dHV0ZSBvZiBUZWNobm9sb2d5MRUwEwYDVQQLEwxDbGllbnQgQ0EgdjECEBqqXf02w7WotWORLaGX nXswgZMGCyqGSIb3DQEJEAILMYGDoIGAMGwxCzAJBgNVBAYTAlVTMRYwFAYDVQQIEw1NYXNzYWNo dXNldHRzMS4wLAYDVQQKEyVNYXNzYWNodXNldHRzIEluc3RpdHV0ZSBvZiBUZWNobm9sb2d5MRUw EwYDVQQLEwxDbGllbnQgQ0EgdjECEBqqXf02w7WotWORLaGXnXswDQYJKoZIhvcNAQEBBQAEggEA kbbesTMQF5Qrnv6HSRO/eQ3O9jEGaPnyta9JCMfloWpjshaAFaHDl9s/B9MJtGyz1Z7GeAuKTRDx xsn45xk08D51QBaXpvSz+OdQGyi30QFo3XnHI5wJLg44gWnLnq5O37KU9Q5dUZD549kZmXew3cWm iDa8Owm6j+5+hsR0+fNrszvhwvODtEGIAuSK5xF5NlpsZyPCJTTn2i1XfT+/9qqThb26xX5wPxXK RHcK/NmEhADcW+Q+8LtG/X4HWDxbx/DpMzCBOuQHdJiZySEzW4IXQmmPtWOfQv1QXclEVJ2cA/TD EnZeLQTnwh6sGKSHyRgA0GCfVSnHbpgpHZLJAAAAAAAAAA== --Apple-Mail=_E40231C9-EE77-423C-BDB8-4B516B34C0EE--