📄 redirected.c
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#include <u.h>#include <libc.h>#include <bin.h>#include <httpd.h>inthredirected(HConnect *c, char *how, char *uri){ Hio *hout; char *s, *ss, *host; int n; host = c->head.host; if(strchr(uri, ':')){ host = ""; }else if(uri[0] != '/'){ s = strrchr(c->req.uri, '/'); if(s != nil) *s = '\0'; ss = halloc(c, strlen(c->req.uri) + strlen(uri) + 2 + UTFmax); sprint(ss, "%s/%s", c->req.uri, uri); uri = ss; if(s != nil) *s = '/'; } n = snprint(c->xferbuf, HBufSize, "<head><title>Redirection</title></head>\r\n" "<body><h1>Redirection</h1>\r\n" "Your selection can be found <a href=\"%U\"> here</a>.<p></body>\r\n", uri); hout = &c->hout; hprint(hout, "%s %s\r\n", hversion, how); hprint(hout, "Date: %D\r\n", time(nil)); hprint(hout, "Server: Plan9\r\n"); hprint(hout, "Content-type: text/html\r\n"); hprint(hout, "Content-Length: %d\r\n", n); if(host == nil || host[0] == 0) hprint(hout, "Location: %U\r\n", uri); else hprint(hout, "Location: http://%U%U\r\n", host, uri); if(c->head.closeit) hprint(hout, "Connection: close\r\n"); else if(!http11(c)) hprint(hout, "Connection: Keep-Alive\r\n"); hprint(hout, "\r\n"); if(strcmp(c->req.meth, "HEAD") != 0) hwrite(hout, c->xferbuf, n); if(c->replog){ if(host == nil || host[0] == 0) c->replog(c, "Reply: %s\nRedirect: %U\n", how, uri); else c->replog(c, "Reply: %s\nRedirect: http://%U%U\n", how, host, uri); } return hflush(hout);}inthmoved(HConnect *c, char *uri){ return hredirected(c, "301 Moved Permanently", uri);}⌨️ 快捷键说明
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