From: Brian Warner Date: Tue, 25 Dec 2007 07:07:04 +0000 (-0700) Subject: webish: use get_args() everywhere, put .fields=None in MyRequest X-Git-Tag: allmydata-tahoe-0.7.0~70 X-Git-Url: https://git.rkrishnan.org/pf/content/en/service/reedownlee?a=commitdiff_plain;h=0e804da8d9b49095778391e2557f55f951d4e146;p=tahoe-lafs%2Ftahoe-lafs.git webish: use get_args() everywhere, put .fields=None in MyRequest --- diff --git a/src/allmydata/webish.py b/src/allmydata/webish.py index c1e97fc0..06c3b8f7 100644 --- a/src/allmydata/webish.py +++ b/src/allmydata/webish.py @@ -61,6 +61,7 @@ def get_arg(req, argname, default=None, multiple=False): parse_qs = http.parse_qs class MyRequest(appserver.NevowRequest): + fields = None def requestReceived(self, command, path, version): """Called by channel when all data has been received. @@ -377,10 +378,7 @@ class Directory(rend.Page): def render_results(self, ctx, data): req = inevow.IRequest(ctx) - if "results" in req.args: - return req.args["results"] - else: - return "" + return get_arg(req, "results", "") class WebDownloadTarget: implements(IDownloadTarget, IConsumer) @@ -457,7 +455,9 @@ class FileDownloader(resource.Resource): static.File.contentEncodings, defaultType="text/plain") save_to_file = None - if "save" in req.args: + if get_arg(req, "save", False): + # TODO: make the API specification clear: should "save=" or + # "save=false" count? save_to_file = self._name wdt = WebDownloadTarget(req, type, encoding, save_to_file) d = self._filenode.download(wdt) @@ -687,10 +687,7 @@ class RenameForm(rend.Page): def render_get_name(self, ctx, data): req = inevow.IRequest(ctx) - if 'name' in req.args: - name = req.args['name'][0] - else: - name = '' + name = get_arg(req, "name", "") ctx.tag.attributes['value'] = name return ctx.tag @@ -715,16 +712,10 @@ class POSTHandler(rend.Page): def renderHTTP(self, ctx): req = inevow.IRequest(ctx) - if "t" in req.args: - t = req.args["t"][0] - else: - t = req.fields["t"].value + t = get_arg(req, "t") + assert t is not None - name = None - if "name" in req.args: - name = req.args["name"][0] - elif "name" in req.fields: - name = req.fields["name"].value + name = get_arg(req, "name", None) if name and "/" in name: req.setResponseCode(http.BAD_REQUEST) req.setHeader("content-type", "text/plain") @@ -734,15 +725,9 @@ class POSTHandler(rend.Page): # we allow the user to delete an empty-named file, but not to create # them, since that's an easy and confusing mistake to make - when_done = None - if "when_done" in req.args: - when_done = req.args["when_done"][0] - if "when_done" in req.fields: - when_done = req.fields["when_done"].value - - if "replace" in req.fields: - if not boolean_of_arg(req.fields["replace"].value): - self._replace = False + when_done = get_arg(req, "when_done", None) + if not boolean_of_arg(get_arg(req, "replace", "true")): + self._replace = False if t == "mkdir": if not name: @@ -753,10 +738,8 @@ class POSTHandler(rend.Page): elif t == "uri": if not name: raise RuntimeError("set-uri requires a name") - if "uri" in req.args: - newuri = req.args["uri"][0].strip() - else: - newuri = req.fields["uri"].value.strip() + newuri = get_arg(req, "uri") + assert newuri is not None d = self._check_replacement(name) d.addCallback(lambda res: self._node.set_uri(name, newuri)) d.addCallback(lambda res: newuri) @@ -1103,18 +1086,13 @@ class VDrive(rend.Page): if path and path[-1] == '': path = path[:-1] - t = "" - if "t" in req.args: - t = req.args["t"][0] - - localfile = None - if "localfile" in req.args: - localfile = req.args["localfile"][0] + t = get_arg(req, "t", "") + localfile = get_arg(req, "localfile", None) + if localfile is not None: if localfile != os.path.abspath(localfile): return NeedAbsolutePathError(), () - localdir = None - if "localdir" in req.args: - localdir = req.args["localdir"][0] + localdir = get_arg(req, "localdir", None) + if localdir is not None: if localdir != os.path.abspath(localdir): return NeedAbsolutePathError(), () if localfile or localdir: @@ -1124,10 +1102,7 @@ class VDrive(rend.Page): return NeedLocalhostError(), () # TODO: think about clobbering/revealing config files and node secrets - replace = True - if "replace" in req.args: - if not boolean_of_arg(req.args["replace"][0]): - replace = False + replace = boolean_of_arg(get_arg(req, "replace", "true")) if method == "GET": # the node must exist, and our operation will be performed on the @@ -1139,8 +1114,7 @@ class VDrive(rend.Page): filename = "unknown" if path: filename = path[-1] - if "filename" in req.args: - filename = req.args["filename"][0] + filename = get_arg(req, "filename", filename) if t == "download": if localfile: # write contents to a local file @@ -1214,9 +1188,7 @@ class URIPUTHandler(rend.Page): req = inevow.IRequest(ctx) assert req.method == "PUT" - t = "" - if "t" in req.args: - t = req.args["t"][0] + t = get_arg(req, "t", "") if t == "": # "PUT /uri", to create an unlinked file. This is like PUT but @@ -1292,8 +1264,8 @@ class Root(rend.Page): if segments: if segments[0] == "uri": if len(segments) == 1 or segments[1] == '': - if "uri" in req.args: - uri = req.args["uri"][0] + uri = get_arg(req, "uri", None) + if uri is not None: there = url.URL.fromContext(ctx) there = there.clear("uri") there = there.child("uri").child(uri)