updated readme.md - Nim - This repository contains the Nim compiler, Nim's stdlib, tools, and documentation. (mirror)

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author	Xavier Damman <xdamman@gmail.com>	2017-07-30 16:07:51 -0400
committer	Xavier Damman <xdamman@gmail.com>	2017-07-30 16:07:51 -0400
commit	342834d7fffc68e763e461c08d411f18f16b3743 (patch)
tree	3bd2ff46644c64cf23b08cb9ca0878dd7a4a8639 /compiler/astalgo.nim
parent	8481e9ff14f39dab98c65e4c618fb8a847444b7d (diff)
download	Nim-342834d7fffc68e763e461c08d411f18f16b3743.tar.gz

updated readme.md

Diffstat (limited to 'compiler/astalgo.nim')

0 files changed, 0 insertions, 0 deletions

/* Copyright (c) 2019 Ben Morrison (gbmor) This file is part of Getwtxt. Getwtxt is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. Getwtxt is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with Getwtxt. If not, see <https://www.gnu.org/licenses/>. */ package svc // import "git.sr.ht/~gbmor/getwtxt/svc" import ( "fmt" "hash/fnv" "net/http" "strconv" "strings" "time" "git.sr.ht/~gbmor/getwtxt/registry" "github.com/gorilla/mux" ) // Takes the modtime of one of the static files, derives // an FNV hash from it, then truncates it. func getEtagFromTime(modtime time.Time) string { shabytes, err := modtime.MarshalText() errLog("", err) bytes := fnv.New32().Sum(shabytes) return fmt.Sprintf("%x", bytes[:16]) } // Takes the body of a response to a request, derives an // FNV hash from it, then truncates it. Used for non-static // responses. func getEtag(data []byte) string { bytes := fnv.New32().Sum(data) if bytes == nil { return "" } if len(bytes) < 16 { return fmt.Sprintf("%x", bytes) } return fmt.Sprintf("%x", bytes[:16]) } // Serves index.html and the stylesheet to go with it. func servStatic(w http.ResponseWriter, isCSS bool) error { pingAssets() staticCache.mu.RLock() defer staticCache.mu.RUnlock() var etag string var body []byte var contentType string if isCSS { etag = getEtagFromTime(staticCache.cssMod) contentType = cssutf8 body = staticCache.css } else { etag = getEtagFromTime(staticCache.indexMod) contentType = htmlutf8 body = staticCache.index } w.Header().Set("ETag", "\""+etag+"\"") w.Header().Set("Content-Type", contentType) _, err := w.Write(body) return err } // handles "/" and "/css" func staticHandler(w http.ResponseWriter, r *http.Request) { isCSS := strings.Contains(r.URL.Path, "css") if err := servStatic(w, isCSS); err != nil { errHTTP(w, r, err, http.StatusInternalServerError) return } log200(r) } // handles "/api" func apiBaseHandler(w http.ResponseWriter, r *http.Request) { staticHandler(w, r) } // handles "/api/plain" // maybe add json/xml support later func apiFormatHandler(w http.ResponseWriter, r *http.Request) { staticHandler(w, r) } // Serves all tweets without pagination. func apiAllTweetsHandler(w http.ResponseWriter, r *http.Request) { out, err := twtxtCache.QueryAllStatuses() if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) } data := parseQueryOut(out) etag := getEtag(data) w.Header().Set("ETag", etag) w.Header().Set("Content-Type", txtutf8) _, err = w.Write(data) if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) return } log200(r) } // handles "/api/plain/(users|mentions|tweets)" func apiEndpointHandler(w http.ResponseWriter, r *http.Request) { errLog("Error when parsing query values: ", r.ParseForm()) if r.FormValue("q") != "" || r.FormValue("url") != "" { err := apiEndpointQuery(w, r) if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) } else { log200(r) } return } var err error page := 1 pageVal := r.FormValue("page") if pageVal != "" { page, err = strconv.Atoi(pageVal) if err != nil || page < 1 { page = 1 } } // if there's no query, return everything in // registry for a given endpoint var out []string switch r.URL.Path { case "/api/plain/users": out, err = twtxtCache.QueryUser("") out = registry.ReduceToPage(page, out) case "/api/plain/mentions": out, err = twtxtCache.QueryInStatus("@<") out = registry.ReduceToPage(page, out) case "/api/plain/tweets": out, err = twtxtCache.QueryAllStatuses() out = registry.ReduceToPage(page, out) case "/api/plain/version": etag := getEtag([]byte(Vers)) w.Header().Set("ETag", "\""+etag+"\"") w.Header().Set("Content-Type", txtutf8) _, err := w.Write([]byte(strings.TrimSpace("getwtxt " + Vers))) if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) } else { log200(r) } return default: errHTTP(w, r, fmt.Errorf("endpoint not found"), http.StatusNotFound) return } errLog("", err) data := parseQueryOut(out) etag := getEtag(data) w.Header().Set("ETag", etag) w.Header().Set("Content-Type", txtutf8) _, err = w.Write(data) if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) } else { log200(r) } } // handles POST for "/api/plain/users" func apiEndpointPOSTHandler(w http.ResponseWriter, r *http.Request) { apiPostUser(w, r) } // handles "/api/plain/tags" func apiTagsBaseHandler(w http.ResponseWriter, r *http.Request) { out, err := twtxtCache.QueryInStatus("#") if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) return } out = registry.ReduceToPage(1, out) data := parseQueryOut(out) etag := getEtag(data) w.Header().Set("ETag", etag) w.Header().Set("Content-Type", txtutf8) _, err = w.Write(data) if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) return } log200(r) } // handles "/api/plain/tags/[a-zA-Z0-9]+" func apiTagsHandler(w http.ResponseWriter, r *http.Request) { vars := mux.Vars(r) tags := vars["tags"] out := compositeStatusQuery("#"+tags, r) out = registry.ReduceToPage(1, out) data := parseQueryOut(out) etag := getEtag(data) w.Header().Set("ETag", etag) w.Header().Set("Content-Type", txtutf8) _, err := w.Write(data) if err != nil { errHTTP(w, r, err, http.StatusInternalServerError) return } log200(r) }


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