>
/***
> |''Name''|HTTPSavingPlugin|
> |''Description''|<...>|
> |''Author''|Zooko|
> |''Contributors''|FND|
> |''Version''|0.2.1|
> |''Status''|@@experimental@@|
> |''Source''|http://allmydata.org/trac/tiddly_on_tahoe|
> |''CodeRepository''|http://allmydata.org/source/tiddly_on_tahoe/trunk/|
> |''License''|GPLv2+ or TGPPLv1.0+|
> |''Keywords''|<...>|
> !Description
> <...>
> !Notes
> This plugin is being developed for [[Tiddly on Tahoe|http://allmydata.org/trac/tiddly_on_tahoe]].
> ***/
> /* The following comment is to let jslint know which variables are supposed to be global. */
> /*global clearMessage, config, getPath, readOnly, saveChanges, saveTest, showBackstage, store, story, version, convertUriToUTF8, convertUnicodeToFileFormat, getLocalPath, loadRemoteFile, locateStoreArea, saveBackup, saveEmpty, saveFile, saveMain, saveRss, unescape, displayMessage, httpReq */
> //{{{
> if (!version.extensions.HTTPSavingPlugin) { //# ensure that the plugin is only installed once
> version.extensions.HTTPSavingPlugin = { installed: true };
>
> (function () { //# wrapper
> readOnly = false;
> config.options.chkHttpReadOnly = false;
> showBackstage = true;
>
> saveTest = function () {
> var s = document.getElementById("saveTest");
> /*if (s.hasChildNodes()) {
> alert(config.messages.savedSnapshotError);
> }*/
> s.appendChild(document.createTextNode("savetest"));
> };
>
> // Save this TiddlyWiki with the pending changes
> saveChanges = function (onlyIfDirty, tiddlers) {
> var originalPath, localCallback, result;
> if (onlyIfDirty && !store.isDirty()) {
> return;
> }
> clearMessage();
> // Get the URL of the document
> originalPath = getPath(document.location.toString());
> // Load the original file
> localCallback = function (status, context, original, url, xhr) {
> //log("loaded remote file from ", originalPath);
> /*log("got callback status ", status, "\n", context: ", context, "\n",
> URL: ", url, "\n", XHR: ", xhr);*/
> if (original === null) {
> alert(config.messages.cantSaveError);
> if (store.tiddlerExists(config.messages.saveInstructions)) {
> story.displayTiddler(null, config.messages.saveInstructions);
> }
> return;
> }
> // Locate the storeArea div's
> var posDiv = locateStoreArea(original);
> if (!posDiv) {
> alert(config.messages.invalidFileError.format([originalPath]));
> return;
> }
> saveRss(originalPath);
> saveEmpty(originalPath, original, posDiv);
> saveMain(originalPath, original, posDiv);
> };
> result = loadRemoteFile(originalPath, localCallback);
> //log("result from loadRemoteFile: ", result);
> return true;
> };
>
> // override and disable saveBackup()
> saveBackup = function (localPath, original) {};
>
> // override and disable getLocalPath()
> getLocalPath = function (origPath) {};
>
> // override getPath()
> getPath = function (origPath) {
> var originalPath, argPos, hashPos, resultPath;
> originalPath = convertUriToUTF8(origPath, config.options.txtFileSystemCharSet);
> // Remove any location or query part of the URL
> argPos = originalPath.indexOf("?");
> if (argPos !== -1) {
> originalPath = originalPath.substr(0, argPos);
> }
> hashPos = originalPath.indexOf("#");
> if (hashPos !== -1) {
> originalPath = originalPath.substr(0, hashPos);
> }
> // Convert file://localhost/ to file:///
> if (originalPath.indexOf("file://localhost/") === 0) {
> originalPath = "file://" + originalPath.substr(16);
> }
> // Convert to a native file format
> if (originalPath.indexOf("http://") === 0) { // HTTP file
> resultPath = originalPath;
> } else if (originalPath.charAt(9) === ":") { // PC local file
> resultPath = unescape(originalPath.substr(8)).replace(new RegExp("/", "g"), "\\");
> } else if (originalPath.indexOf("file://///") === 0) { // Firefox PC network file
> resultPath = "\\\\" + unescape(originalPath.substr(10)).replace(new RegExp("/", "g"), "\\");
> } else if (originalPath.indexOf("file:///") === 0) { // *nix local file
> resultPath = unescape(originalPath.substr(7));
> } else if (originalPath.indexOf("file:/") === 0) { // *nix local file
> resultPath = unescape(originalPath.substr(5));
> } else { // PC local file
> resultPath = "\\\\" + unescape(originalPath.substr(7)).replace(new RegExp("/", "g"), "\\");
> }
> return resultPath;
> };
>
> // override saveFile()
> saveFile = function (fileUrl, content, callb) {
> displayMessage("saving... please wait"); // XXX: belongs into command handler -- TODO: i18n
> //alert("whee! about to save to " + fileUrl);
> var localCallback = function (status, params, responseText, url, xhr) {
> if (!status) {
> displayMessage("saving failed: " + responseText);
> }
> };
> return httpReq("PUT", fileUrl, localCallback, null, null, content, "text/html;charset=utf-8");
> };
>
> // override convertUnicodeToFileFormat()
> convertUnicodeToFileFormat = function (s)
> {
> return s;
> };
>
> })(); //# end of wrapper
> } //# end of "install only once"
> //}}}
>
>
>
/***
> |''Name''|HTTPSavingPlugin|
> |''Description''|<...>|
> |''Author''|Zooko|
> |''Contributors''|FND|
> |''Version''|0.2.1|
> |''Status''|@@experimental@@|
> |''Source''|http://allmydata.org/trac/tiddly_on_tahoe|
> |''CodeRepository''|http://allmydata.org/source/tiddly_on_tahoe/trunk/|
> |''License''|GPLv2+ or TGPPLv1.0+|
> |''Keywords''|<...>|
> !Description
> <...>
> !Notes
> This plugin is being developed for [[Tiddly on Tahoe|http://allmydata.org/trac/tiddly_on_tahoe]].
> ***/
> /* The following comment is to let jslint know which variables are supposed to be global. */
> /*global clearMessage, config, getPath, readOnly, saveChanges, saveTest, showBackstage, store, story, version, convertUriToUTF8, convertUnicodeToFileFormat, getLocalPath, loadRemoteFile, locateStoreArea, saveBackup, saveEmpty, saveFile, saveMain, saveRss, unescape, displayMessage, httpReq */
> //{{{
> if (!version.extensions.HTTPSavingPlugin) { //# ensure that the plugin is only installed once
> version.extensions.HTTPSavingPlugin = { installed: true };
>
> (function () { //# wrapper
> readOnly = false;
> config.options.chkHttpReadOnly = false;
> showBackstage = true;
>
> saveTest = function () {
> var s = document.getElementById("saveTest");
> /*if (s.hasChildNodes()) {
> alert(config.messages.savedSnapshotError);
> }*/
> s.appendChild(document.createTextNode("savetest"));
> };
>
> // Save this TiddlyWiki with the pending changes
> saveChanges = function (onlyIfDirty, tiddlers) {
> var originalPath, localCallback, result;
> if (onlyIfDirty && !store.isDirty()) {
> return;
> }
> clearMessage();
> // Get the URL of the document
> originalPath = getPath(document.location.toString());
> // Load the original file
> localCallback = function (status, context, original, url, xhr) {
> //log("loaded remote file from ", originalPath);
> /*log("got callback status ", status, "\n", context: ", context, "\n",
> URL: ", url, "\n", XHR: ", xhr);*/
> if (original === null) {
> alert(config.messages.cantSaveError);
> if (store.tiddlerExists(config.messages.saveInstructions)) {
> story.displayTiddler(null, config.messages.saveInstructions);
> }
> return;
> }
> // Locate the storeArea div's
> var posDiv = locateStoreArea(original);
> if (!posDiv) {
> alert(config.messages.invalidFileError.format([originalPath]));
> return;
> }
> saveRss(originalPath);
> saveEmpty(originalPath, original, posDiv);
> saveMain(originalPath, original, posDiv);
> };
> result = loadRemoteFile(originalPath, localCallback);
> //log("result from loadRemoteFile: ", result);
> return true;
> };
>
> // override and disable saveBackup()
> saveBackup = function (localPath, original) {};
>
> // override and disable getLocalPath()
> getLocalPath = function (origPath) {};
>
> // override getPath()
> getPath = function (origPath) {
> var originalPath, argPos, hashPos, resultPath;
> originalPath = convertUriToUTF8(origPath, config.options.txtFileSystemCharSet);
> // Remove any location or query part of the URL
> argPos = originalPath.indexOf("?");
> if (argPos !== -1) {
> originalPath = originalPath.substr(0, argPos);
> }
> hashPos = originalPath.indexOf("#");
> if (hashPos !== -1) {
> originalPath = originalPath.substr(0, hashPos);
> }
> // Convert file://localhost/ to file:///
> if (originalPath.indexOf("file://localhost/") === 0) {
> originalPath = "file://" + originalPath.substr(16);
> }
> // Convert to a native file format
> if (originalPath.indexOf("http://") === 0) { // HTTP file
> resultPath = originalPath;
> } else if (originalPath.charAt(9) === ":") { // PC local file
> resultPath = unescape(originalPath.substr(8)).replace(new RegExp("/", "g"), "\\");
> } else if (originalPath.indexOf("file://///") === 0) { // Firefox PC network file
> resultPath = "\\\\" + unescape(originalPath.substr(10)).replace(new RegExp("/", "g"), "\\");
> } else if (originalPath.indexOf("file:///") === 0) { // *nix local file
> resultPath = unescape(originalPath.substr(7));
> } else if (originalPath.indexOf("file:/") === 0) { // *nix local file
> resultPath = unescape(originalPath.substr(5));
> } else { // PC local file
> resultPath = "\\\\" + unescape(originalPath.substr(7)).replace(new RegExp("/", "g"), "\\");
> }
> return resultPath;
> };
>
> // override saveFile()
> saveFile = function (fileUrl, content, callb) {
> displayMessage("saving... please wait"); // XXX: belongs into command handler -- TODO: i18n
> //alert("whee! about to save to " + fileUrl);
> var localCallback = function (status, params, responseText, url, xhr) {
> if (!status) {
> displayMessage("saving failed: " + responseText);
> }
> };
> return httpReq("PUT", fileUrl, localCallback, null, null, content, "text/html;charset=utf-8");
> };
>
> // override convertUnicodeToFileFormat()
> convertUnicodeToFileFormat = function (s)
> {
> return s;
> };
>
> })(); //# end of wrapper
> } //# end of "install only once"
> //}}}
> /***
> |''Name''|TahoePlugin|
> |''Description''|<...>|
> |''Author''|Zooko|
> |''Contributors''|FND, EricShulman|
> |''Version''|0.2.0|
> |''Requires''|HTTPSavingPlugin|
> |''Status''|@@experimental@@|
> |''Source''|http://allmydata.org/trac/tiddly_on_tahoe|
> |''CodeRepository''|http://allmydata.org/source/tiddly_on_tahoe/trunk/|
> |''License''|GPLv2+ or TGPPLv1.0+|
> |''Keywords''|<...>|
> !Description
> <...>
> !Notes
> This plugin is being developed for [[Tiddly on Tahoe|http://allmydata.org/trac/tiddly_on_tahoe]].
> ***/
> //{{{
> /* The following comment is to let jslint know which variables are supposed to be global. */
> /*global version, readOnly, showBackstage, config, loadRemoteFile, wikify */
> if (!version.extensions.TahoePlugin) { //# ensure that the plugin is only installed once
> version.extensions.TahoePlugin = { installed: true };
>
> (function () { //# wrapper
> var BASE32CHAR, BASE32CHAR_3bits, BASE32CHAR_1bits, SEP, NUMBER, HTTPLEAD, BASE32STR_128bits, BASE32STR_256bits, ALPHANUMERIC_STRING, TAHOE_FUTURE_IMMUTABLE_CAP_RE_STR, TAHOE_FUTURE_READONLY_CAP_RE_STR, TAHOE_FUTURE_WRITABLE_CAP_RE_STR, TAHOE_IMMUTABLE_CAP_RE_STR, TAHOE_READONLY_FILE_CAP_RE_STR, TAHOE_READONLY_DIR_CAP_RE_STR, TAHOE_WRITABLE_FILE_CAP_RE_STR, TAHOE_WRITABLE_DIR_CAP_RE_STR, TAHOE_NONWRITABLE_THING_CAP_RE_STR, TAHOE_WRITABLE_THING_CAP_RE_STR, TAHOE_ANY_CAP_RE_STR, splitTahoeURL, scrapeOutReadonlyCap, diminishToReadonlyCap, getReadonlyURLToThisPage;
>
> BASE32CHAR = '[abcdefghijklmnopqrstuvwxyz234567]';
> BASE32CHAR_3bits = '[aqiyemu4]';
> BASE32CHAR_1bits = '[aq]';
> SEP = '(?::|%3A)';
> NUMBER = '[0-9]+';
> HTTPLEAD = 'https?://(?:[^:/]+)(?::' + NUMBER + ')?/(uri|file|cap)/?';
>
> BASE32STR_128bits = '(' + BASE32CHAR + '{25}' + BASE32CHAR_3bits + ')';
> BASE32STR_256bits = '(' + BASE32CHAR + '{51}' + BASE32CHAR_1bits + ')';
>
> ALPHANUMERIC_STRING = '[A-Za-z0-9]+';
>
> // This is speculative: maybe in the future there will be a version of Tahoe where caps
> // start with these symbols, and if so then this JavaScript code will magically work with
> // that version of Tahoe.
> TAHOE_FUTURE_IMMUTABLE_CAP_RE_STR = "i_" + ALPHANUMERIC_STRING;
> TAHOE_FUTURE_READONLY_CAP_RE_STR = "r_" + ALPHANUMERIC_STRING;
> TAHOE_FUTURE_WRITABLE_CAP_RE_STR = "W_" + ALPHANUMERIC_STRING;
>
> TAHOE_IMMUTABLE_CAP_RE_STR = "(?:URI" + SEP + "CHK" + SEP + BASE32STR_128bits + SEP + BASE32STR_256bits + SEP + NUMBER + SEP + NUMBER + SEP + NUMBER + '|' + TAHOE_FUTURE_IMMUTABLE_CAP_RE_STR + ')';
> TAHOE_READONLY_FILE_CAP_RE_STR = "URI" + SEP + "SSK-RO" + SEP + BASE32STR_128bits + SEP + BASE32STR_256bits;
> TAHOE_READONLY_DIR_CAP_RE_STR = "URI" + SEP + "DIR2-RO" + SEP + BASE32STR_128bits + SEP + BASE32STR_256bits;
> TAHOE_WRITABLE_FILE_CAP_RE_STR = "URI" + SEP + "SSK" + SEP + BASE32STR_128bits + SEP + BASE32STR_256bits;
> TAHOE_WRITABLE_DIR_CAP_RE_STR = "URI" + SEP + "DIR2" + SEP + BASE32STR_128bits + SEP + BASE32STR_256bits;
>
> TAHOE_NONWRITABLE_THING_CAP_RE_STR = '(' + TAHOE_READONLY_FILE_CAP_RE_STR + '|' + TAHOE_READONLY_DIR_CAP_RE_STR + '|' + TAHOE_IMMUTABLE_CAP_RE_STR + '|' + TAHOE_FUTURE_IMMUTABLE_CAP_RE_STR + '|' + TAHOE_FUTURE_READONLY_CAP_RE_STR + ')';
> TAHOE_WRITABLE_THING_CAP_RE_STR = '(' + TAHOE_WRITABLE_DIR_CAP_RE_STR + '|' + TAHOE_WRITABLE_FILE_CAP_RE_STR + '|' + TAHOE_FUTURE_WRITABLE_CAP_RE_STR + ')';
>
> TAHOE_ANY_CAP_RE_STR = '(' + TAHOE_NONWRITABLE_THING_CAP_RE_STR + '|' + TAHOE_WRITABLE_THING_CAP_RE_STR + ')';
>
> readOnly = document.location.toString().match(new RegExp(HTTPLEAD + TAHOE_NONWRITABLE_THING_CAP_RE_STR));
> showBackstage = !readOnly;
> config.options.chkHttpReadOnly = false;
>
> /* Returns server (which is "http://$HOST:$PORT/uri"), cap, and suffix, which can be a
> path from the cap through the tahoe filesystem and/or trailing extra arguments. */
> splitTahoeURL = function (someURL) {
> var u, urlSuffix, candidate_cap, urlPrefix;
>
> u = someURL.split('/');
> urlSuffix = [];
> candidate_cap = u.pop();
> urlPrefix = u.join('/');
> while ((u.length > 0) && (!urlPrefix.match(new RegExp("^" + HTTPLEAD + "$")))) {
> urlSuffix.unshift(candidate_cap);
> candidate_cap = u.pop();
> urlPrefix = u.join('/');
> }
> // Okay we've found the HTTPLEAD. Is the following thing shaped like a Tahoe capability?
> if (candidate_cap.match(new RegExp(TAHOE_ANY_CAP_RE_STR))) {
> // Yes!
> return {'urlPrefix': urlPrefix, 'cap': candidate_cap, 'urlSuffix': urlSuffix};
> } else {
> // No!
> return;
> }
> };
>
> scrapeOutReadonlyCap = function (metadata) {
> // example of tahoe-lafs json-encoded metadata:
> // [
> // "dirnode",
> // {
> // "rw_uri": "URI:DIR2:ouojn4oj2fa7fphdf54hz5bfaq:rf56nzb6klj3ctvssqghy2ugalp6wundystbysxujodttrhxbqwa",
> // "ro_uri": "URI:DIR2-RO:sznrgoyz7lbjorhe4ipzcnmluy:rf56nzb6klj3ctvssqghy2ugalp6wundystbysxujodttrhxbqwa",
> // "children": {
> // "tw_empty.html": [
> // "filenode",
> // {
> // "mutable": false,
> // "metadata": {
> // "ctime": 1229263396.69,
> // "mtime": 1229263396.69
> // },
> // "ro_uri": "URI:CHK:cofm2lm3ywu4r4efeqwjzuzyeq:dfw7oi65smf7dhtcx6wvr4ouazswprhwkvc3uopqtmvn3e7cactq:3:10:295520",
> // "size": 295520
> // }
> // ]
> // },
> // "mutable": true
> // }
> //]
>
> // another example:
> // [
> // "filenode",
> // {
> // "rw_uri": "URI:SSK:ouojn4oj2fa7fphdf54hz5bfaq:rf56nzb6klj3ctvssqghy2ugalp6wundystbysxujodttrhxbqwa",
> // "mutable": true,
> // "ro_uri": "URI:SSK-RO:sznrgoyz7lbjorhe4ipzcnmluy:rf56nzb6klj3ctvssqghy2ugalp6wundystbysxujodttrhxbqwa",
> // "size": "?"
> // }
> // ]
> var matchobj = metadata.match(new RegExp("^\\s*\\[[^\\[]*\"ro_uri\"\\s*:\\s*\"([^\"]*)\""));
> if (matchobj) {
> return matchobj[1];
> }
> };
>
> diminishToReadonlyCap = function (urlPrefix, writableCap, callback) {
> var queryURL = [urlPrefix, writableCap, "?t=json"].join("/");
>
> loadRemoteFile(queryURL, function (success, param, txt, src, xhr) {
> if (success) {
> callback(scrapeOutReadonlyCap(txt));
> }
> });
> };
>
> getReadonlyURLToThisPage = function (callback) {
> if (document.location.tahoeDiminishedCapabilityURL) {
> return callback(document.location.tahoeDiminishedCapabilityURL);
> } else {
> var pieces = splitTahoeURL(document.location.toString());
> diminishToReadonlyCap(pieces.urlPrefix, pieces.cap, function (diminishedCap) {
> var diminishedURL = pieces.urlPrefix + "/" + diminishedCap + "/" + pieces.urlSuffix;
> document.location.tahoeDiminishedCapabilityURL = diminishedURL;
> callback(diminishedURL);
> });
> }
> };
>
> config.macros.accessControlExplanation = {
>
> handler: function (place, macroName, params, wikifier, paramString, tiddler) {
> if (document.location.toString().match(new RegExp(HTTPLEAD + TAHOE_IMMUTABLE_CAP_RE_STR))) {
> wikify("This is an immutable view of this page. Using this link will always give this exact same page, even if a newer version has been uploaded.", place);
> } else if (document.location.toString().match(new RegExp(HTTPLEAD + TAHOE_NONWRITABLE_THING_CAP_RE_STR))) {
> wikify("This is a read-only view of this page. Using this link will give the most recent version of this page, but doesn't allow the user to change the page.", place);
> } else if (document.location.toString().match(new RegExp(HTTPLEAD + TAHOE_WRITABLE_THING_CAP_RE_STR))) {
> getReadonlyURLToThisPage(function (readonlyCap) {
> wikify("You are accessing this page with a writable link. If you share this link with someone else, they will gain the ability to write to this page. Click here for a [[read-only link to this page|" + readonlyCap + "]].", place);
> });
> } else {
> wikify("You are accessing this page not through the Tahoe-LAFS secure, distributed filesystem.", place);
> }
> }
> };
> })(); //# end of wrapper
> } //# end of "install only once"
> //}}}
>
>